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17 tháng 8 2023

all the lessons are carefully explained by the teacher.

Around 50 tons of paint are added to the Eiffel Tower every 7 years to protect it from rust.

Every day all the penguins have swans fed at nine o'clock.

17 tháng 8 2023

Every day all the penguins and  swans.....are fed.....(feed) at nine o clock

Approximately 1.4 millions visitors ..are attracted...(attrack) by the edinburgh castle every year

He is very sad because his apology.isn't accepted..(not accept) by his mother

What time.are..the papers ussualy.delivered...?(deliver)

Điền vào chỗ trống thì hiện tại đơn câu bị động

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture, attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self–interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called "deep ecology", the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

(Source: Adapted from Reading Practice for the TOEFL) 

It can be inferred from the passage that the author _________.

A. is a member of the "deep ecology" movement 

B. does not agree with ecological self–interest

C. supports all of the arguments to protect species 

D. participated in drafting the Chapter for Nature

1
9 tháng 1 2018

Chọn C

Kiến thức: Đọc hiểu

Giải thích:

Có thể suy ra từ đoạn văn rằng tác giả _______.

A. là một thành viên của phong trào "sinh thái sâu sắc"

B. không đồng ý với lợi ích sinh thái

C. ủng hộ tất cả các lý lẽ để bảo vệ các loài

D. tham gia soạn thảo Hiến chương về Tự nhiên

Read and drill, the question below and ( True or False): One of the most prominent names is the "Unfinished" Obelisk, which is taller than any memorial tower ever built. This is known as the greatest ancient tower ever known, located near the land north of the quarry in Aswan, Egypt. The length was calculated to be up to 42m and most of the building was abandoned, according to its name, when a few cracks appeared on the rocks that made the walls during construction. Many people believe that...
Đọc tiếp

Read and drill, the question below and ( True or False):

One of the most prominent names is the "Unfinished" Obelisk, which is taller than any memorial tower ever built. This is known as the greatest ancient tower ever known, located near the land north of the quarry in Aswan, Egypt.
The length was calculated to be up to 42m and most of the building was abandoned, according to its name, when a few cracks appeared on the rocks that made the walls during construction. Many people believe that Queen Hatshepsut at that time was the one who approved the erection of the tower, according to the plan to complete with a weight of raw materials of 1200 tons.
Besides this landmark, a foundation for another structure was also discovered in 2005 in the Aswan quarry. This is said to be a museum - the tomb and is currently protected by the Egyptian government as a valuable historical monument.

1) The length of the tower is calculated as ................... meter.

A. 32m B. 40m C. 42m D. a&c

2)According to the completed plan with a raw material weight of ..................... tons.

A. 1300 tons B. 870 tons C. 1201 tons D. All 3 are all wrong

3) Many believe that Queen Hatshepsut It was not at that time who approved the construction of the tower ..................................

4) A foundation for another structure was also discovered in 2006 at the Aswan quarry .............................

1
16 tháng 11 2019

Read and drill, the question below and ( True or False):

One of the most prominent names is the "Unfinished" Obelisk, which is taller than any memorial tower ever built. This is known as the greatest ancient tower ever known, located near the land north of the quarry in Aswan, Egypt.
The length was calculated to be up to 42m and most of the building was abandoned, according to its name, when a few cracks appeared on the rocks that made the walls during construction. Many people believe that Queen Hatshepsut at that time was the one who approved the erection of the tower, according to the plan to complete with a weight of raw materials of 1200 tons.
Besides this landmark, a foundation for another structure was also discovered in 2005 in the Aswan quarry. This is said to be a museum - the tomb and is currently protected by the Egyptian government as a valuable historical monument.

1) The length of the tower is calculated as ................... meter.

A. 32m B. 40m C. 42m D. a&c

2)According to the completed plan with a raw material weight of ..................... tons.

A. 1300 tons B. 870 tons C. 1201 tons D. All 3 are all wrong

3) Many believe that Queen Hatshepsut It was not at that time who approved the construction of the tower ..........F........................

4) A foundation for another structure was also discovered in 2006 at the Aswan quarry ..........F...................

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.Endangered species          There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Endangered species

          There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

          Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self-interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

          Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called “deep ecology,” the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

It can be inferred from the passage that the author ______.

A. is a member of the “deep ecology” movement

B. does not agree with ecological self-interest

C. supports all of the arguments to protect species

D. participated in drafting the Charter for Nature

1
7 tháng 4 2017

Đáp án C.

Keywords: inferred, passage, author.

Phân tích: Qua bài đọc ta nhận thấy tác giả liệt kê ra 3 trường phái lý luận, không tỏ ra ủng hộ một lý luận riêng nào hơn tất cả, cũng không có một lời nào phê phán các lý luận ấy, vì vậy có thể suy ra là nhìn chung tác giả ủng hộ tất cả các lý luận đó. Nên đáp án là C. supports all of the arguments to protect species.

Các đáp án còn lại là sai:

     A. is a member of the “deep ecology” movement: là một thành viên của phong trào “sinh thái sâu sắc”.

     B. does not agree with ecological self-interest: không đồng ý với việc tư lợi sinh thái.

     D. participated in drafting the Charter for Nature: tham gia soạn thảo Hiến chương Thiên nhiên.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Endangered species  There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Endangered species

 There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self-interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called "deep ecology," the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

It can be inferred from the passage that the author_________.

A. is a member of the "deep ecology" movement

B. does not agree with ecological self-interest

C. supports all of the arguments to protect species

D. participated in drafting the Charter for Nature

1
1 tháng 7 2017

Đáp án C.

Keywords: inferred, passage, author.

Phân tích: Qua bài đọc ta nhận thấy tác giả liệt kê ra 3 trường phái lý luận, không tỏ ra ủng hộ một lý luận riêng nào hơn tất cả, cũng không có một lời nào phê phán các lý luận ấy, vì vậy có thể suy ra là nhìn chung tác giả ủng hộ tất cả các lý luận đó. Nên đáp án là C. supports all of the arguments to protect species.

Các đáp án còn lại là sai:

A. is a member of the "deep ecology" movement: là một thành viên ca phong trào "sinh thái sâu sắc

B. does not agree with ecological self-interest: không đồng ý với việc tư lợi sinh thái.

D. participated in drafting the Charter for Nature: tham gia soạn tho Hiến chương Thiên nhiên.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions. Endangered species  There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Endangered species

 There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self-interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called "deep ecology," the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

Where in the passage does the author explain how rare species contribute to the health of the human species?

A. line 1-3

B. line 5-6

C. line 11-13

D. line 18-20

1
23 tháng 4 2017

Đáp án C.

Keywords: rare species, contribute, health, human species.

Clue: “Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings”: Những người ng hộ quan điểm sinh thái học quả quyết rng các hp chất hóa học trong các loài thực vt quý hìếm có th n chứa chìa khóa tìm ra phương thuốc chữa trị những căn bệnh đang đe dọa loài người.

Phân tích: Đọc qua bài đọc ta sẽ thấy những từ khóa ở đoạn văn thứ 2, dòng 11-13 có liên quan đến các từ khóa trong câu hỏi (qúy hiếm; phương thuốc, bệnh và sức khỏe) nên đáp án đúng là C.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.Endangered species          There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

Endangered species

          There are three valid arguments to support the preservation of endangered species. Aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

          Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self-interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

          Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called “deep ecology,” the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

Where in the passage does the author explain how rare species contribute to the health of the human species?

A. line 1-3

B. line 5-6

C. line 11-13

D. line 18-20

1
6 tháng 1 2018

Đáp án C.

Keywords: rare species, contribute, health, human species.

Clue: “Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings”: Những người ủng hộ quan điểm sinh thái học quả quyết rằng các hợp chất hoá học trong các loài thực vật quý hiếm có thể ẩn chứa chìa khoá tìm ra phương thuốc chữa trị những căn bệnh đang đe doạ loài người.

Phân tích: Đọc qua bài đọc ta sẽ thấy những từ khoá ở đoạn văn thứ 2, dòng 11-13 có liên quan đến các từ khoá trong câu hỏi (quý hiếm; phương thuốc, bệnh và sức khoẻ) nên đáp án đúng là C.

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture, attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self–interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called "deep ecology", the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

(Source: Adapted from Reading Practice for the TOEFL) 

The word "them" in the third paragraph refers to ________. 

A. stewards 

B. species 

C. human beings 

D. creatures 

1
15 tháng 5 2019

Chọn D

Kiến thức: Đọc hiểu

Giải thích:

Từ “them” trong đoạn thứ ba nói tới _______.

A. người quản lý         

B. các loài                   

C. con người               

D. sinh vật

Thông tin: Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species.

Tạm dịch: Hơn nữa, nếu con người tự xem mình là người quản lý của tất cả các sinh vật trên Trái Đất thì sau đó, con người phải có trách nhiệm bảo vệ chúng và đảm bảo sự tồn tại liên tục của tất cả các loài

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art...
Đọc tiếp

Read the following passage and mark the letter A, B, C or D on your answer sheet to indicate the correct answer to each of the questions.

There are three valid arguments to support the preservation of endangered species. An aesthetic justification contends that biodiversity contributes to the quality of life because many of the endangered plants and animals are particularly appreciated for their unique physical beauty. The aesthetic role of nature in all its diverse forms is reflected in the art and literature of every culture, attaining symbolic status in the spiritual life of many groups. According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world.

Another argument that has been put forward, especially by groups in the medical and pharmacological fields, is that of ecological self–interest. By preserving all species, we retain a balance of nature that is ultimately beneficial to humankind. Recent research on global ecosystems has been cited as evidence that every species contributes important or even essential functions that may be necessary to the survival of our own species. Some advocates of the ecological argument contend that important chemical compounds derived from rare plants may contain the key to a cure for one of the diseases currently threatening human beings. If we do not protect other species, then they cannot protect us.

Apart from human advantage in both the aesthetic and ecological arguments, the proponents of a moral justification contend that all species have the right to exist, a viewpoint stated in the United Nations World Charter for Nature, created in 1982. Furthermore, if humankind views itself as the stewards of all the creatures on Earth, then it is incumbent upon human beings to protect them, and to ensure the continued existence of all species. Moral justification has been extended by a movement called "deep ecology", the members of which rank the biosphere higher than people because the continuation of life depends on this larger perspective. To carry their argument to its logical conclusion, all choices must be made for the biosphere, not for people.

(Source: Adapted from Reading Practice for the TOEFL) 

What does the author mean by the statement in the first paragraph? 

"According to the proponents of the aesthetic argument, people need nature in all its diverse and beautiful forms as part of the experience of the world"?

A. The world is experienced by nature in various forms that are equally beautiful

B. People are naturally attracted to beautiful forms father than to different ones

C. An appreciation of the Earth requires that people have an opportunity to enjoy the diversity and beauty of nature

D. Nature is beautiful because it provides varied experiences for people

1
13 tháng 11 2019

Chọn C

Kiến thức: Đọc hiểu

Giải thích:

Tác giả có ý nghĩa gì trong câu nói ở đoạn đầu tiên?

"Theo những người đề xướng lập luận thẩm mỹ, con người cần thiên nhiên trong tất cả các hình thức đa dạng và đẹp đẽ của nó như là một phần trải nghiệm của thế giới."?

A. Thế giới được thiên nhiên trải nghiệm dưới nhiều hình thức đẹp như nhau.

B. Con người một cách rất tự nhiên bị thu hút bởi những hình thức đẹp hơn những thứ khác.

C. Để đánh giá đúng Trái Đất đòi hỏi mọi người phải có cơ hội tận hưởng sự đa dạng và

vẻ đẹp của thiên nhiên.

D. Thiên nhiên rất đẹp vì nó cung cấp những trải nghiệm khác nhau cho con người.

Dịch bài đọc:

Có ba lập luận có căn cứ để ủng hộ việc bảo tồn các loài có nguy cơ tuyệt chủng. Lý lẽ về mặt thẩm mỹ cho rằng đa dạng sinh học góp phần trong chất lượng cuộc sống vì nhiều loài động thực vật có nguy cơ tuyệt chủng được đánh giá cao đặc biệt vì vẻ đẹp tự nhiên độc đáo của chúng. Vai trò thẩm mỹ của thiên nhiên trong tất cả các hình thức đa dạng của nó được thể hiện trong nghệ thuật và văn học của mọi nền văn hóa, đạt được vị thế biểu trưng trong đời sống tinh thần của nhiều nhóm người. Theo những người đề xướng lập luận thẩm mỹ, con người cần thiên nhiên trong tất cả các hình thức đa dạng và đẹp đẽ của nó như là một phần trải nghiệm của thế giới.

Một lập luận khác đã được đưa ra, đặc biệt là bởi các nhóm người trong lĩnh vực y tế và dược, đó là về lợi ích sinh thái. Bằng cách bảo tồn tất cả các loài, chúng ta giữ được sự cân bằng của tự nhiên và cuối cùng đem lại lợi ích cho loài người. Nghiên cứu gần đây về hệ sinh thái toàn cầu được trích dẫn làm bằng chứng cho thấy mọi loài đều đóng góp các chức năng quan trọng hoặc thậm chí là thiết yếu mà có thể cần thiết cho sự sống còn của loài người chúng ta. Một số người đề xướng lập luận sinh thái cho rằng các hợp chất hóa học quan trọng có nguồn gốc từ thực vật quý hiếm có thể chứa thành phần then chốt để chữa một trong những căn bệnh hiện đang đe dọa mạng sống con người. Nếu chúng ta không bảo vệ các loài khác, thì chúng không thể bảo vệ chúng ta.

Ngoài lợi ích cho con người về cả thẩm mỹ và sinh thái, những người đề xướng lý lẽ về mặt đạo đức cho rằng tất cả các loài đều có quyền tồn tại, đó là một quan điểm đã được nêu trong Hiến chương về Tự nhiên của Liên hợp quốc viết năm 1982. Hơn nữa, nếu con người tự xem mình là người quản lý của tất cả các sinh vật trên Trái Đất thì sau đó, con người phải có trách nhiệm bảo vệ chúng và đảm bảo sự tồn tại liên tục của tất cả các loài. Lý lẽ về mặt đạo đức được mở rộng bởi một phong trào gọi là "sinh thái sâu sắc", các thành viên của phong trào xếp hạng sinh quyển cao hơn con người vì sự tiếp tục của cuộc sống phụ thuộc vào tầm nhìn xa hơn này. Để đưa lập luận này đến kết luận hợp lý, tất cả các lựa chọn phải được thực hiện vì sinh quyển, không phải vì con người