Packet Pages 30-31

What happens to organisms that cannot adapt to environmental changes?

• They migrate to a new environment

• They evolve new adaptations

• They go extinct

• They become stronger

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What is the geologic time scale used for?

• Measuring the age of rocks

• Dividing Earth's history into intervals

• Predicting future climate changes

• Calculating the speed of tectonic plates

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What does the fossil record reveal about species that existed millions of years ago?

• They were all large animals

• They were mostly plants

• They included both plants and animals

• They were all marine species

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What does the fossil record indicate about the history of life on Earth?

• Life has always been the same

• Life has evolved over time

• Life appeared suddenly

• Life is only found in certain areas

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What is the role of fossils in understanding evolution?

• They are decorative

• They provide evidence of past life

• They are used for fuel

• They are irrelevant

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What is the current mass extinction event called?

• Holocene Extinction

• Triassic-Jurassic Extinction

• Late Devonian Extinction

• Permian-Triassic Extinction

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Which mass extinction event occurred 252 million years ago?

• Ordovician-Silurian Extinction

• Permian-Triassic Extinction

• Cretaceous-Paleogene Extinction

• Late Devonian Extinction

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What is one factor that contributed to the extinction of the Dodo?

• Climate change

• Introduction of nonnative species

• Overfishing

• Habitat expansion

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What is the effect of overharvesting plants on biodiversity?

• Increases biodiversity

• Has no effect

• Directly reduces biodiversity

• Promotes plant growth

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What is one consequence of habitat fragmentation?

• Increased genetic diversity

• More edge habitat

• Decreased number of species

• Larger tracts of land

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