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Living in the Environment 16th Ed. : Ch.4 Key Terms

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Subject: 
Environmental Science
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Biology
Evolutionary biology
Ecology
evolution
Extinction
biodiversity
Species richness
Adaptation
Natural selection
Speciation
ecosystem
Species diversity
Environment

Chapter 4 adaptation, or adaptive trait any heritable trait that enables an individual organism to survive through natural selection and to reproduce more than other individuals under prevailing environmental conditions. background extinction Throughout most of history, species have disappeared at a low rate, called background extinction. biological diversity, or biodiversity the variety of the earth?s species, the genes they contain, the ecosystems in which they live, and the ecosystem processes such as energy flow and nutrient cycling that sustain all life. biological evolution the process whereby earth?s life changes over time through changes in the genes of populations. differential reproduction

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