'Adaptive radiation divergent evolution' presentation slideshows

Chapter 16 Evolution of Populations

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Evolution

Evolution. Evolution- the gradual accumulation of adaptations over time; a gradual change over time. Adaptation- evolution of a structure, behavior , or internal process that enables an organism to respond to stimuli and better survive in an environment. Fossils.

352 views • 35 slides

Evolution

Evolution. Evolution- the gradual accumulation of adaptations over time; a gradual change over time. Adaptation- evolution of a structure, behavior , or internal process that enables an organism to respond to stimuli and better survive in an environment. Fossils.

352 views • 35 slides

Speciation & Patterns of Evolution

Speciation & Patterns of Evolution. *. Objectives. Explain how the isolation (physical or genetic) of populations can lead to speciation. *. Vocabualry. Species Speciation Geographic isolation Allopatric Speciation Reproductive Isolation. Sympatric Speciation Gradualism

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Wrapping Up Evolution

Wrapping Up Evolution. Gene Pool . The total number of genes that are present in a population. Genetic Drift. Any change in the allele frequency in a population that is due to chance. M utations. Random change in genetic material. Natural Selection.

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