Q: What organ absorbs about 90 percent of the water you ingest? Choices: - skin - lungs - large intestine - small intestine A:
small intestine
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Q: Ecosystem dynamics include more than the flow of energy and recycling of matter. ecosystems are also dynamic because they? Choices: - stay the same - recreate exactly alike - never move - change through time A:
change through time
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Q: What substance do the leaves of plants take in from the environment? Choices: - oxygen - hydrogen - acid rain - carbon dioxide A:
carbon dioxide
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Q: All cells have certain parts in common. these parts include the cell membrane, cytoplasm, dna, and what? Choices: - lipids - chromosomes - crystals - ribosomes A:
ribosomes
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