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Environments can be “stable” or fluctuating, and this affects evolutionary rate and direction; different variations can be selected in each generation.

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Presentation on theme: "Environments can be “stable” or fluctuating, and this affects evolutionary rate and direction; different variations can be selected in each generation."— Presentation transcript:

1 Environments can be “stable” or fluctuating, and this affects evolutionary rate and direction; different variations can be selected in each generation. What evidence do you have from the Grant’s finch study to support this claim?

2 Evolution: three coordinated legs

3

4 Quick review of genetic vocab
Gene vs allele Phenotype vs Genotype Dominant/Recessive Homozygous vs heterozygous What does natural selection act DIRECTLY upon? What does natural selection act INDIRECTLY upon? Does the environment direct new phenotypic variation?

5 Father of Genetics

6 Gene Pool Diversity Gene Pool:
What maintains genetic diversity in a gene pool? What would decrease diversity in a gene pool?

7 Microevolution and population genetics
Allele frequencies Breeding Bunnies anyone?

8 Battling Beetles Lab Follow the instructions for squishing.
Rock Pocket Mouse Video: and-adaptation

9 Class Data Before After


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