ENERGY FLOW

3. An organism deriving its nutritional requirements from complex organic substances
6. An individual animal, plant, or single-celled life form
9. An organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide
11. Any such living organism other than a human being
12. eats nectar and has yellow and black stripes
15. feeds mainly on primary consumers
18. a huge black mammal that has long nails and likes to climb trees and catch fish in streams
20. produces in ponds and frogs like to lay their eggs in it

1. A system of interlocking and interdependent food chains
2. feeds on both primary and secondary consumers
4. a scaley slithering reptile
5. all the organisms in a feeding level which are the same number of steps away from the sun
7. feeds mainly on dead material
8. A living organism of the kind exemplified by trees, shrubs, herbs, grasses, ferns, and mosses
10. an organism which uses elements from the environment to make its own food
13. A series of organisms each dependent on the next as a source of food
14. feeds mainly on producers
16. breaks down deadorganisms and wastes to complete the nutrient cycle in the ecosystem
17. an organism that gets its energy and nutrients by feeding on other organisms
19. a scavenger that has lots of fur and looks like a husky