Q: The fossil record shows that this type of event is followed by the evolution of new species to fill the habitats where old species lived? Choices: - minor extinction - moderate extinction - formation extinction - mass extinction A:
mass extinction
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Q: What two-word term refers to the number of different species in the community? Choices: - bacteria richness - group-richness - face-richness - species richness A:
species richness
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Q: Depending on a tumor's location, for example, cancer surgeons may be unable to remove it. radiation and chemotherapy are difficult, and it is often impossible to target only the cancer cells. the treatments inevitably destroy this? Choices: - carcinogens - fertility - host cells - healthy cells A:
healthy cells
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Q: Specialized features of populations of galapagos finches inspired what theory? Choices: - evolution by isolation - evolution by force - evolution by reaction - evolution by natural selection A:
evolution by natural selection
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