Biology Chapter 30: Populations and Communities

Vocabulary	Objectives
30:1  Populations	page 632
population emigration immigration limiting factor	Relate the importance  counting populations. Discuss the different ways populations can be counted. Discuss why populations change in size. Explain how limiting factors affect a population.
30:2  Communities	page 637
community habitat niche primary consumer secondary consumer	Describe different parts of a community. Explain the importance of producers, consumers, and decomposers and the realtionship that exist among them.
30:3  Energy in the Community	page 641
food chain food web energy pyramid	Trace the path of energy and materials through a community. Explain how food chains are connected. Draw a food web with at least ten different organisms.  Be sure to include producers, consumers, and decomposers.
30:4  Relationships in a Community	page 644
mutualism commensalism parasitism predation predator prey	Give examples of mutualism. Give an example. Describe commensalism.  Give an example. Compare parasitism and predation.