Brooklyn College BIOL 1010 : Lecture Guide (topic vii)

VII. Community Interactions and Ecosystems

Text: 379-393, 406-414, 417-422

1. Ecology defined
2. Population dynamics
3. Characteristics of communities
4. Characteristics of ecosystems
5. Structure of ecosystems

Learning Objectives:

1. You should be able to use and define/describe the following words:

ecology		population		habitat
community		ecosystem		biosphere
exponential growth		niche		carrying capacity
parasitism		commensalism		mutualism
predation		carnivore		herbivore
omnivore		immigration		emigration
detrivores		interspecific competition
density dependent controls
density independent controls

2. You should be able to:
   1. Describe the factors that affect population density.
   2. Describe the difference between density-dependent and density-independent factors.
   3. Distinguish between a habitat and a niche.
   4. Describe the characteristics of a community.
   5. Distinguish among the several types of species interactions.

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