Q: What single-celled organism can be either a predator, decomposer, herbivore, or parasite in the food chain? Choices: - vertebrates - mites - Diatoms - protozoa A:
protozoa
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Q: The two complementary strands of what are separated, much like unzipping a zipper, in the initiation phase? Choices: - mRNA - Chromosomes - RNA - dna A:
dna
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Q: Who has proposed that cigarette advertising in all media be banned entirely? Choices: - parents - schools - teachers - antismoking groups A:
antismoking groups
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Q: Restoring nitrogen to the soil is one reason for what agricultural practice? Choices: - irrigation - plowing - sowing - crop rotation A:
crop rotation
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