bio lect 29

bio lect 29 - females are 4% smaller in most species....

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females are 4% smaller in most species. Without vit. D no normal fetal bone development. ecology- examination of the physical and biological govern the dist. of plants and anima;s. study of the factors that control teh number of diff. plants and numbers. Is the set of principles by which we attempt to predict teh behavior of assemblages of organisms. why is one animal is one area and not another? (even when non populated area is prefect) The study of teh relationship of organisms with one another and with the environment. 3 progressivevly hiercarchys- population. 1 species community - more than i species ecosystem - spp and non living envrnmt. once a pop seems to settle - the numbers fluctuate (some seem to soar) yeast - asexual - grows very rapidly in good environment-exponential growth- natural? exponential growth - starts small but due to increase pop and reproduction - population increases quickly. happens rarely like invasive species. prodigality of nature - more organisms produced than can survive
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bio lect 29 - females are 4% smaller in most species....

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