Q: Hydras and sea anemones are examples of what form? Choices: - node - lesions - anemone - polyp A:
polyp
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Q: What is measured by the intensity of the sound waves? Choices: - inputs - tone - pitch - loudness A:
loudness
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Q: What do all chemical reactions need to get started? Choices: - expression energy - kinetic energy - potential energy - activation energy A:
activation energy
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Q: How do plants support themselves above the ground to get light and oxygen? Choices: - momentum - flaccid stems - symbiosis - stiff stems A:
stiff stems
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