Which of these organizations lists "preventing mass extinction of species" as
one of its goals?

a. the world trade organization

b. the convention on international trade in endangered species

c. the ramsar convention

d. the convention on biological diversity

The Convention on International Trade in Endangered Species lists "preventing mass extinction of species"

Explanation:

In 1975, CITES gain it's power  and the main aim of this organization is to ensure international trade of wild animals and plants.

The protected wild lives are included in 3 lists, called as appendices (a list of species or population that are in great danger or at the point of extinction or threatened )

Appendix I is about those species that are threatened with extinction and are affected by trade.Ex-Asiatic lion, jaguar etc.

Appendix II is about those species that are not threatened or with extinction but may become if strict regulations are not applied.Ex- green iguana, queen conch etc.

Appendix III are about those species that are not threatened but trade in these species will need legal permission .

Ex-African civet, two toed sloth etc