Unit+9+Ecology

=__**LEARNING OBJECTIVES:**__=


 * describe the different levels of organization used in ecology.
 * distinguish between biotic and abiotic factors.
 * explain how single species populations grow and are regulated.
 * distinguish between density dependent and density independent birth and death rates.
 * describe how population data can be analysed using statistics, graphs, life tables, and survivorship curves.
 * describe the principal interactions between different species and how they affect the respective species.
 * describe the major forces structuring communities and explain how community structure can be represented by food webs.
 * explain how communities change in both space (biomes and gradients) and time (succession).
 * explain the large scale patterns of biodiversity, describe how biodiversity is measured and predict the consequences of continued species loss.

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