Evolution

The effects of mutations can be: ,[object Object],[object Object],[object Object],[object Object]

A scientific theory is? ,[object Object],[object Object],[object Object]

Darwin's Puzzle Or where did the theory of evolution come from

Setting the stage ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The voyage of the Beagle (1831-1836)

Variation Reproduction Adaptation Natural selection Just the beginning

Evolutions Core Principles ,[object Object],[object Object]

Common Descent with modification ,[object Object],[object Object],[object Object],[object Object]

Common Descent with modification Tracking Evolution With DNA

A. True B. False ,[object Object]

Darwin’s phrase “common descent with modification” means that: ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],What is it that evolves?

What is it that evolves? ,[object Object],[object Object]

How do populations evolve? ,[object Object],[object Object],[object Object],[object Object]

Definitions of Evolution ,[object Object],[object Object]

Microevolution: 5 agents of change ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

5 agents of change (cont): ,[object Object],[object Object],[object Object],[object Object]

5 agents of change (cont): ,[object Object],Large population=10,000 Small population =10 Allele frequency = 1000/10,000 or 10% Allele frequency = 1/10 or 10% 50% Survive (450 with allele) 50% Survive Allele frequency =0/5 or 0% Allele frequency =450/5000 or 9%

5 agents of change (cont): ,[object Object],[object Object]

5 agents of change (cont): ,[object Object],What does it mean to be “fit”?

Modes of Selection Stabilizing Selection TIME

Evolution

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Evolution