Q: What part of the body do hookworms infest? Choices: - lungs - skin - brain - intestines A:
intestines
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Q: What is the position of rock layers and the relative ages called? Choices: - diffraction - metamorphism - bifurcation - superposition A:
superposition
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Q: An infection may be intracellular or extracellular, depending on this? Choices: - pollen - microbes - bacteria - pathogen A:
pathogen
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Q: All living things need air and this to survive? Choices: - stimuli - habitat - ecosystem - water A:
water
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