... c. from d. in 11. 15,589 species (7,266 animal species and 8 ,32 3 plant species) are now considered _______ risk _______ extinction.a. at / of b. on / in c. for / with d. in / at 12. Internationally, ... best meets their survive needs. C D (survival) 33 . Without the particularly habitat, the species could not survive. A B (particularly) C D 34 . Such human activities as pollution, drainage ... Identification. 31 . Species become extinct or endangerment for a number of reasons, but A (endangered) Bthe primary cause is the destruction of habitat by human activities. C D 32 . Although...