| A | B |
|---|
| dilemma | a situation in which one has to chose between two or more difficult options |
| extinction | the conditions of having died out |
| predator | an animal that hunts other animals for food |
| observation | the act of paying careful attention |
| canopy | the highest layer of a forest, formed by treetops |
| reintroduction | the process of returning animals to their native habitats |
| habitat | the type of environment where an animal or plant naturally lives and grows |
| captive | a prisoner |
| humid | containing a large amount of water vapor; damp, sticky |
| genes | a tiny part of a plant or animal that determines a characteristic passed on to the next generation |
| modified | to change something in order to make it better or different |
| accustomed | to make familiar by use or habit |
| adequate | enough; sufficient; as much as is needed |
| diversity | difference |
| species | a group of similar animals or plants that are of the same kind and are able to produce fertile offspring |
| simulate | to copy |
