1
Region in which animals or plants normally live.
2
The destruction of forests by cutting down trees.
3
Something which happens suddenly and with a very obvious effect.
4
The situation where something doesn't exist any more.
5
Underwater areas made of a rock-like substance created by small sea animals.
6
Under threat of not existing any more; dying out
7
Animals that lay eggs and use the sun to keep their bodies warm.
8
Capturing and killing animals illegally.
9
Disappeared completely.
10
Animal or plant remains preserved in rock for a very long time.
11
Set of animals or plants that are similar to each other and can breed together.
12
Hard, pointed part which grows on top of an animal's head.
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