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Download Animal Sciences. Per-Zoo by Allan B. Cobb PDF

By Allan B. Cobb

This encyclopedia set, a part of the Macmillan technology Library sequence, is designed to deal with middle-school scholars via collage undergraduates. The paintings includes nearly three hundred signed entries on a number of issues when it comes to animal technological know-how, together with animal improvement, services, habit, ecology, and evolution.The connection among animals and people is additionally explored in entries resembling Animal checking out, Apiculture, and household animals. additionally incorporated are biographies of famous scientists who've made ''significant contributions'' to the sphere (for example,Henry Walter Bates, Rachel Carson, Gregor Mendel) in addition to introductions to occupation possibilities within the comparable disciplines. Articles seem in alphabetical order and diversity in size from numerous paragraphs to a number of pages. All are followed by way of see additionally references and additional analyzing feedback (including internet sites). each one quantity starts with an entire desk of contents, a geological time scale, 5- and six-kingdom class comparisons, a phylogenetic tree of existence, and a chart of measurements, abbreviations, and conversions. every one concludes with an issue outline,an index (volume four encompasses a cumulative index), and a 600-plus-word word list.

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Danbury, CA: Franklin Watts Incorporated, 1990. Rubin, Charles T. The Green Crusade: Rethinking the Roots of Environmentalism. New York: Free Press, 1994. Population Dynamics A population describes a group of individuals of the same species occupying a specific area at a specific time. Some characteristics of populations that are of interest to biologists include the population density, the birthrate, and the death rate. If there is immigration into the population, or emigration out of it, then the immigration rate and emigration rate are also of interest.

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. London: Edward Arnold, 1969. Populations The study of populations and population ecology is a growing field of biology. Plants and animals are studied both singly and in relationship to one another. Factors that affect population growth and overall health are constantly being sought and analyzed.

The Encyclopedia of Mammals. New York: Facts on File Publications, 1987. Martin, Paul, and Richard Klein. Quaternary Extinctions: A Prehistoric Revolution. Tucson, University of Arizona Press, 1989. Woodburne, M. Cenozoic Mammals of North America. Berkeley: University of California Press, 1987. Pollution Pollution can be defined as a change in the physical, chemical, or biological characteristics of the air, water, soil, or other parts of the environment that adversely affects the health, survival, or other activities of humans or other organisms.

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