Titlebook: A Primer of Population Dynamics; Krishnan Namboodiri Book 1996 Springer Science+Business Media New York 1996 Demography.Nation.Public Heal

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Population Distribution,st gnathostomes were marine fishes with the head and thorax generally covered with bony plates. They flourished in the Devonian and became extinct in the Carboniferous. The Gnathostomata thus includes almost all the living vertebrates which are divided into the six classes: Chondrichthyes, Osteichth

follicular-unit

Population, Food, and the Environment,gh the evolution of the cleidoic (closed box) egg. Such an egg is large and has a tough leathery or calcareous shell. The shell protects the developing embryo from mechanical damage and, being porous, permits the entry of air for respiration and, at the same time, impedes loss of water by evaporatio

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