J. Bleecker · textbook

Chapter 17 section assessments and chapter review

17-1 · 17-2 · 17-3 · 17-4 · Study guide p.442 · Chapter assessment p.443-444 · Standardized test prep p.445

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Your assignment

Section companions for the photographed chapter work. Follow the assigned section question ranges; the chapter assessment is available review, not a new assignment to complete in full.

Numbered companions follow the class work. Keep the original for exact wording, tables and diagrams.

17-2 · Section questions5

17-2.1Question 17-2.1Describe the gases in the early atmosphere.Open 17-2.2Question 17-2.2Explain what Miller–Urey produced.Open 17-2.3Question 17-2.3Explain how rising oxygen changed early life.Open 17-2.4Question 17-2.4Explain the proposed origin of mitochondria and chloroplasts.Open 17-2.5Question 17-2.5Could a new origin of life happen under today’s conditions?Open

17-3 · Section questions4

17-3.1Question 17-3.1Where was early Paleozoic life concentrated?Open 17-3.2Question 17-3.2Describe the Devonian animal milestone.Open 17-3.3Question 17-3.3Name two major Mesozoic events.Open 17-3.4Question 17-3.4What Cenozoic fossils might an investigator find?Open

17-4 · Section questions5

17-4.1Question 17-4.1Explain macroevolution and two of its patterns.Open 17-4.2Question 17-4.2Explain how mass extinction changes later evolution.Open 17-4.3Question 17-4.3Explain convergence with an example.Open 17-4.4Question 17-4.4Explain how Hox-gene changes can create variation.Open 17-4.5Question 17-4.5Compare gradualism and punctuated equilibrium.Open

Material & context4

117-1 · Fossils and datingOpen 217-2 · Early EarthOpen 317-3 · Multicellular lifeOpen 417-4 · Patterns of evolutionOpen

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