Question

a scientist whose job is protecting endangered animals and their habitats is a good candidate to work at a(n)______

Explanation:

A zoo is a place where endangered animals are often protected and conserved. Zoos have programs for breeding, research, and education related to endangered species and their habitats. A farm is mainly for agricultural purposes like growing crops and raising domesticated animals for food. A circus uses animals for entertainment. A pet - shop sells common pets.

Answer:

A. zoo