Q: Magnetism is due to the movement of what within atoms? Choices: - neutrons - protons - magnetrons - electrons A:
electrons
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Q: Of the three types of skeleton designs - hydrostatic skeletons, exoskeletons, and endoskeletons - which do humans possess? Choices: - none of the above - hydrostatic skeleton - exoskeleton - endoskeleton A:
endoskeleton
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Q: Which branch of biology uses fossils to study life's history? Choices: - zoology - geology - morphology - paleontology A:
paleontology
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Q: What are the specialized cells of sponges called? Choices: - plant cells - helper cells - t cells - collar cells A:
collar cells
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