Across
- 1. to breathe in
- 4. is a samll hole behind in some fish
- 7. SYSTEM it delivers oxygen to the body
- 9. CHAIN a seires of organism interlated in their feeding habits, the smallest being fed uppon by a larger one
- 10. CONSUMER (in the food chain) an animal that feeds on plant
Down
- 2. to breathe out
- 3. the body part that a fish uses for breathing
- 5. PRODUCER any green plant and any various microorganisms that convert light energy or chemical into organic matter
- 6. to cause something to be lowly destroyed and broken.
- 8. an animal that eat both plants and other animals.