Environmental Science

3. organisms that produce their own food
4. an animal that kills other animals for food
7. natural home of a plant or animal
10. water vapor forms clouds and returns to Earth
13. organisms that get nutrients by eating other organisms
14. the number of different organisms in an ecosystem
15. network or related food chain
16. plants and animals in an area, functioning together with their surroundings
17. a partnership between organisms that helps one of both of them survive

1. a type of consumer that eats plant material
2. water lost to the atmosphere by the activities of plants
3. an animal killed for food
5. change of water from a liquid to a gas state
6. tiny plants and animals that break down dead materials into nutrients
8. living factors that directly or indirectly affect an organism in its environment, such as disease, predators, and parasites
9. the process plants use to make food from sunlight, water, and carbon dioxide
11. non-living factors that affect organism survival, such as water availability, pollution, and temperature range
12. a type of consumer that eats animal material