Unit 8 Biology

3. they consume producers or other consumers.
6. a group of living organisms consisting of similar individuals capable of exchanging genes or interbreeding.
8. no two species can exploit the environment in exactly the same way and coexist – one of the species will be excluded.
10. An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals
14. is an animal which feeds on dead organic material, especially plant detritus.
16. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
20. the preying of one animal on others.
22. a non-living part of an ecosystem that shapes its environment.
25. living things within an ecosystem.
26. an animal or person that eats food of both plant and animal origin.
27. the role an organism plays in a community.

1. is beneficial to both organisms involved.
2. organism feeds off plants
4. a graphical representation of the relationship between the different living organisms at different trophic le
5. an area classified according to the species that live in that location.
7. the practice of living as a parasite in or on another organism.
9. a regulatory substance produced in an organism and transported in tissue fluids such as blood or sap to stimulate specific cells or tissues into action
11. a device or installation that is used to break down a chemical substance.
12. all the inhabitants of a particular town, area, or country.
13. any type of a close and long-term biological interaction between two biological organisms of different species.
15. the natural home or environment of an animal, plant, or other organism.
16. social group whose members have something in common, such as a shared government, geographic location, culture, or heritage.
17. an animal that feeds on flesh.
18. the total quantity or weight of organisms in a given area or volume.
19. a hierarchical series of organisms each dependent on the next as a source of food. chain
21. a biological community of interacting organisms and their physical environments
23. system of interlocking and interdependent food chains
24. the branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
25. made up of the parts of Earth where life exists