Biology Crossword Puzzle

3. The mass of living biological organisms in a given area or ecosystem at a given time.
6. An organism that mostly feeds on plants.
9. Organisms that receive their energy from primary consumers.
10. A community of living organisms.
12. An organism that eats both plants and animals.
13. An organism that must eat other organisms to gain energy.
14. An organism that can produce its own food.
17. The position it occupies in a food web.
18. An organism that eats plants (producers).
20. The rate at which energy is added to the bodies of organisms in the form of biomass.

1. Any organism that breaks down or eats decaying material.
2. An organism that mostly eats meat/flesh.
4. Animals that consume other animals to obtain energy from them.
5. Living components of an ecosystem.
7. The ability of a living organism to perform work or cause change.
8. Organisms that can create their own food.
11. An organism that eats dead animals/plants.
15. A model that shows the flow of energy from one trophic level to another.
16. Organisms that consume other organisms for energy.
19. Non-living components of an ecosystem.