Across
- 3. All of the living and nonliving things in a particular environment
- 5. A drug used to make a person or an animal calm, sleepy, or unconscious for a short time
- 6. A plant or animal that is necessary for an ecosystem to function; if you remove this, an ecosystem will drastically change or disappear altogether
- 7. To slowly and quietly follow a person or an animal that you are hunting or trying to catch
- 8. A system in which people or things are ranked according to their status, power, or importance
Down
- 1. To strongly dislike and disapprove of someone or something
- 2. At risk of dying out; it is most often used to describe a species of plant or animal that is at serious risk of becoming extinct. One of the main reasons many species are endangered today is habitat loss
- 4. An animal at the top of a food web and is not preyed upon by any other animal. Sharks, grizzly bears, and wolves are examples of these.