Ques:Q: What effect occurs when a population suddenly gets much smaller, due to natural disaster or other cause? Choices: - convergence effect - limitation effect - extinction effect - bottleneck effect A:

Ans:bottleneck effect
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Ques:Q: Rounded grains indicate that the minerals eroded from what? Choices: - iron - fossils - recent rock - earlier rock A:

Ans:earlier rock
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Ques:Q: We know from what type of waves produced by earthquakes that parts of the interior of the earth are liquid? Choices: - volcanic - electromagnetic - kinetic - seismic A:

Ans:seismic
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Ques:Q: What division of the nervous system controls involuntary activities that are not emergencies, such as the digestive organs breaking down food? Choices: - central nervous system - posterior division - somatic nervous system - parasympathetic division A:

Ans:
parasympathetic division
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