Unit 8 Biology

5. a detailed description of the species within a community and their relationships with each other
8. a living organism that shapes its environment
10. non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems
11. an organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
13. consists of all the organisms and the physical environment with which they interact.
16. the preying of one animal on others.
17. the biological variety and variability of life on Earth.
18. the area and resources used by a particular species (the habitat of a species) or an assemblage of animals and plants together with their abiotic environment.
19. an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.

1. the study of the relationships between living organisms, including humans, and their physical environment.
2. organisms that make their own food
3. an animal or person that eats food of both plant and animal origin.
4. an animal which feeds on dead organic material, especially plant detritus.
6. a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
7. the role an organism plays in a community.
8. a large collection of flora and fauna occupying a major habitat
9. he sequence of transfers of matter and energy in the form of food from organism to organism.
12. an association between two organisms in which one benefits and the other derives neither benefit nor harm.
14. any organism that can't make its own food
15. the amount of living material provided by a given area or volume of the earth's surface, whether terrestrial or aquatic.