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AP Biology›Unit 7: Natural Selection›Natural Selection

Phylogeny

Phylogenetic trees and cladograms show evolutionary relationships using shared derived characters.

Reading cladograms
Shared derived characters
Molecular clocks

Master this topicQuick session · about 19 min

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3 videos ranked by how well they teach

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Phylogeny: How We're All Related: Crash Course Biology #17

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7.9 Phylogeny - AP Biology (Updated 2025-2026)

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AP Bio Evolution (Unit 7) Mega-Review (25–26): From Natural Selection to Speciation to Phylogeny

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7Natural Selection

Natural and Artificial Selection
Population Genetics
Hardy-Weinberg Equilibrium
Evidence of Evolution and Common Ancestry
Phylogeny
Speciation and Extinction
Origins of Life on Earth

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Speciation and Extinction

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Also called: phylogeny, cladograms