By Allan B. Cobb
ISBN-10: 0028655567
ISBN-13: 9780028655567
ISBN-10: 0028655575
ISBN-13: 9780028655574
ISBN-10: 0028655583
ISBN-13: 9780028655581
ISBN-10: 0028655591
ISBN-13: 9780028655598
ISBN-10: 0028655605
ISBN-13: 9780028655604
Read Online or Download Animal Sciences: 4 PDF
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Extra info for Animal Sciences: 4
Example text
It also damages the small shrimp and other organisms that serve as food for larger fish. filter feeders animals that strain small food particles out of water Thermal pollution. Thermal pollution is caused by the release of heat into the water or air. Electric power plants are a major source of thermal pollution, since they convert only about one-third of fuel energy into electricity. The remaining heat is discharged to the local environment as heated water or air. This can alter the ecological balance of a large area.
The first and most basic model of population dynamics assumes that an environment has unlimited resources and can support an unlimited number of individuals. Although this assumption is clearly unrealistic in many circumstances, there are situations in which resources are in fact plentiful enough so that this model is applicable. Under these circumstances, the rate of growth of the population is constant and equal to the intrinsic rate of increase r. This is also known as exponential growth. Population Dynamics What happens to population size over time under exponential growth?
And William T. Keeton, and Carol Grant Gould. Biological Science, 6th ed. New York: W. W. , 1996. 29 Populations Krebs, Charles J. Ecology: The Experimental Analysis of Distribution and Abundance. New York: Harper Collins College Publishers, 1994. , Jr. Population Dynamics: Alternative Models. New York: Academic Press, 1979. Pianka, Eric R. Evolutionary Ecology. New York: Addison Wesley Longman, 2000. , and Gary L. Miller. Ecology, 4th ed. New York: W. H. Freeman, 2000. Soloman, Maurice E. Population Dynamics.
Animal Sciences: 4 by Allan B. Cobb
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