Food Chains, Ecosystems, Food Webs

2. an organism that consumes dead biomass without the need for internal digestion
5. A group of overlapping or connected food chains
7. A model that shows the flow of energy from one feeding level to the next
9. organism that regularly consumes a variety of material including plants, animals and fungi
12. a natural environment where an organism lives
13. Freshwater or Saltwater based community of organisms and interactions of biotic and abiotic components in a given area
15. non-living organisms in an ecosystem
17. the movement of food energy from one organism to another
20. animal that eats other animals that eat plants
22. organism that gets its energy by feeding on producers
24. special quality or appearance that makes a group different
26. found where salt water from oceans mixes with fresh water from rivers
28. what is needed o do work or cause change
29. land based community of organisms and interaction of biotic and abiotic components in a given area.

1. animal at the top of the food chain
3. A group of the same species living in the same area
4. living organisms in an ecosystems
6. those that eat secondary consumers
8. Non-native species that disturbs the ecosystem in which it has been introduced
10. all of the living & nonliving things & their interactions.
11. organism that feeds mostly on plants
14. Delicate ecosystem built up from the secretions of tiny marine organisms
16. to become greater in size, number, or amount
18. to become less or smaller in size, number, or amount
19. a single, self-contained living thing
21. The role an organism plays in an ecosystem
23. an organism that uses sunlight to make its own food for energy
24. animal that eats mostly meat or the flesh of other animals
25. heritable trait that helps plants and animals survive and reproduce
27. an organism that gets energy from eating another organism