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Surviving in the Physical Environment
The Domains of Malthus and Darwin
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abundant adult Africa areas Bay checkerspot behavior biogeography biological biologists butterflies caterpillars cattle cause checkerspot butterflies chemical chromosomes climate communities competition Darwin's finches dinosaurs diversity E. O. Wilson ecologists ecology ecosystems eggs energy environment enzyme evolution evolutionary evolved example experiments extinction feed females fishes flies flowers food plants forest genes genetic gingivinus grass guild habitat herbivores Homo sapiens human hyenas important increase individuals insects interactions island Jasper Ridge kinds laboratory larvae less live lizards longwings MacArthur males mammals mating mole rats moths mutualistic natural nectar niche nitrogen nuclear winter number of species nutrients occur offspring organisms parasites patterns percent pest photosynthesis physical pollination population predators prey problem produce protein rates reason reef relatively reproduction result scientists selection Serengeti sexual sexual reproduction similar soil speciation survive temperature territories theory tion trees trophic level tropical wattsi wildebeests