| A | B |
| endangered | a species of wild animals or plants that is close to becoming extinct |
| threatened | plant or animal species that are close to becoming endangered |
| extinct | species of plants or animals that are no longer existing |
| rare | plant or animal species that are not often seen or found |
| species | a group of plants or animals that have many characteristics in common |
| population | the number of people or animals living in a place |
| habitat | the place where an animal or plant naturally lives and grows |
| protect | to keep from harm; to defend |
| rescue | to save or to free |
| hunter | a person who chases wild animals in order to kill or catch them |
| poacher | a person who illegally hunts wild animals |