BIOLOGY 1A03 Lecture Notes - Habitat Destruction, Conservation Biology, Species Richness

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57. 1 what is conservation biology: devoted to preserving the diversity of life on earth, draws heavily on concepts and knowledge from population genetics, evolution, ecology, biogeography, wildlife management, economics and sociology. Is guided by three principles: evolution is a process that unites all of biology, the ecological world is dynamic, humans are a part of ecosystems. Invasive plants can have many negative effects on ecosystems: while native plants must devote considerable energy to defending themselves against the native herbivores. The invasive plants typically have high rates of growth and reproduction b/c they invest less energy in producing defensive compounds. Invaders tend to take advantage of soil nutrients in ways native plants cannot. If the climate warms by only 1 c, the average temperature currently found at any particular location in n. america today will be found 150km to the north.

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