Ecosystem: Chapter 1 & 2

3. an organism that makes its own food
6. something found in nature that is useful to organisms
9. a fairly dry ecosystem of the far north with very cold, long winters and short, cool summers
10. a dry ecosystem with sandy soil
11. a physical feature or a behavior that helps a plant or animal survive
12. when all members of a species die out
13. an animal that helps plants make seeds by moving pollen
15. a type of ecosystem found in warm, tropical salt water and built on a structure of coral deposits
16. the scattering or carrying away of seeds from the plant that produced them
19. making more organism of their own kind
21. the coloring or other physical appearance of an animal that helps it blend in with its surroundings
23. made up of all the living and nonliving things that interact in an area

1. gets energy by eating plants, or by eating other animals that eat plants
2. go into a deep sleep
3. all the members of one kind of plant or animal in a community
4. any animal that is hunted for food by predator
5. an animal that hunts other animals for food
7. everything that surrounds and affects an organism
8. an ecosystem with a lot of rain all year round
9. an area of the Earth where the temperature rarely gets very hot or very cold
14. the ability to cause change
15. an ecosystem where winters are wet and mild, but summers are extremely hot and dry
17. all the organisms in an ecosystem make up a community
18. the place where a plant or animal lives
20. one of the gases in air
22. a group of organisms that produces organisms of the same kind
24. a living thing
25. an adaptation that allows an animal to protect itself by looking like another kind of animal or like a plant