to be at risk of disappearing or becoming extinct, Become endangered, , Chimpanzee, to watch something carefully, often to learn or study it, Observe, , Journal , the increase in the number of people in the world, Human population growth, , Become endangered, to find something new or unknown before, Make a discovery, to keep wild animals safe from harm or extinction, Protect wildlife, , Government official.

Leaderboard

Visual style

Options

Switch template

)
Continue editing: ?