ENVIRON 201 Chapter Notes - Chapter 3: Ecotourism, Allopatric Speciation, Background Extinction Rate
15 Jan 2018
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Central case study: saving hawaii"s native forest birds half hawaii"s native bird species have gone extinct in recent times, and many of those that remain are on the brink of extinction the aki is a type of honey creeper. The crisis began 750 or more years ago as. Polynesian settlers colonized the islands, cutting down trees and introducing non-native animals. Consists of change in populations of organisms from generation to generation. Such change originates in genes and often leads to modifications in appearance or behavior natural selection shapes organisms natural selection = the primary mechanism of evolution. In agriculture, understanding of evolution helps us prevent antibiotic resistance in feedlots and pesticide resistance prop eating insects. Evolution generates biodiversity biological diversity/biodiversity: forming new species in whole new types of organisms. The variety of life across all levels, including the diversity of species, genes, populations, and communities.
