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Unit: Evolution and the tree of life

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Evolution and natural selection

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Introduction to evolution and natural selection
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Ape clarification
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Natural selection and the owl butterfly
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Darwin, evolution, & natural selection
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Variation in a species
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Evidence for evolution
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Evidence for evolution
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Practice
Natural selection and DarwinGet 3 of 4 questions to level up!
Evidence for evolutionGet 3 of 4 questions to level up!

Population genetics

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Allele frequency
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Hardy-Weinberg equation
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Applying the Hardy-Weinberg equation
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Discussions of conditions for Hardy-Weinberg
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Allele frequency & the gene pool
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Mechanisms of evolution
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Genetic drift, bottleneck effect, and founder effect
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Genetic drift
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Natural selection in populations
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Practice
Hardy-WeinbergGet 3 of 4 questions to level up!
Selection and genetic driftGet 3 of 4 questions to level up!

Speciation and evolutionary trees

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Taxonomy and the tree of life
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Species
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Speciation
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Species & speciation
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Biodiversity and natural selection
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Genetic variation, gene flow, and new species
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Discovering the tree of life
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Understanding and building phylogenetic trees
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Phylogenetic trees
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Building a phylogenetic tree
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About this unit

This unit is part of the Biology library. Browse videos, articles, and exercises by topic.
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