Across
- 4. multiple organisms competing for the same food
- 7. when an animal eats another they gain energy from what they ate.
- 12. animal that hunts other animals
- 13. everyone looks different and has different genetics
- 14. a chain that shows the transfer of energy
- 15. the total mass of organisms in a given area or volume
- 17. where certain animals live
- 18. signifies a habitat which is sustainable.
- 19. something that harms the environment
- 20. the levels of energy transfer
Down
- 1. an organism that consumes things for energy
- 2. the transfer of energy but with a lot more animals
- 3. things that limit the growth of a population
- 5. 6 levels of energy transfer
- 6. a non-living part of an ecosystem that shapes its environment.
- 8. produces energy
- 9. 10% of energy transfers whenever an animal is consumed
- 10. the total number of a certain species
- 11. animals that get hunted
- 16. the variety of life in the world or in a particular habitat or ecosystem.