Answer:
The Convention on International Trade in Endangered Species lists "preventing mass extinction of species"
Step-by-step 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