Across
- 2. an organism that takes energy from the sun to make its own food
- 4. turning old matter into something new
- 6. an organism that eats other organisms for energy
- 8. where an organism is placed on a food chain
- 10. the smallest unit of life
- 11. the cycle of matter being transfered
- 13. an organism that only eats other plants
- 14. where a producer gains energy
- 15. the number of different plants and animals in an ecosystem
- 16. a system of interlocking food chains
Down
- 1. relating to water
- 3. an organism that eats both plants and animals
- 5. of the Earth
- 7. makes up all matter
- 9. needed for an organism to do work or complete a task
- 12. an organism that only eats other animals