Chapter 25
25.1 – conditions on early Earth made the origin of life possible
25.2 – the fossil record documents the history of life
25.3 – key events in life's history include the origins of single-celled and multicelled organisms and the colonization of land
25.4 – the rise and fall of groups of organisms reflect differences in speciation and extinction rates
25.5 – major changes in body form can result from changes in the sequences and regulation of developmental genes
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Chapter 26
26.1 – phylogenies show evolutionary relationships
26.2 – phylogenies are inferred from morphological and molecular data
26.3 – shared characters are used to construct phylogenetic trees
26.6 – new information continues to revise our understanding of the tree of life
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Chapter 27
27.1 – structure and functional adaptations contribute to prokaryotic success
27.2 – rapid reproduction, mutation, and genetic recombination promote genetic diversity in prokaryotes
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