CH 33: The crown-of-thorns sea star, Acanthaster planci, preys on the flesh of live coral. If coral animals are attacked by these sea stars, then what actually provides nutrition to the sea star, and which chemical (besides the toxin within their nematocysts) do the corals rely on for protection? Select one: A. exoskeleton; calcium carbonate B. polyps; calcium carbonate C. polyps; silica D. medusae; silica
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CH 33: The crown-of-thorns sea star, Acanthaster planci, preys on the flesh of live coral. If coral animals are attacked by these sea stars, then what actually provides nutrition to the sea star? And which chemical (besides the toxin within their nematocysts) do the corals rely on for protection? Select one: exoskeleton; calcium carbonate polyps; calcium carbonate polyps; silica medusae; silica
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The crown-of-thorns sea star, Acanthaster planci, preys on the flesh of live coral. If coral animals are attacked by these sea stars, then what part of the coral actually provides nutrition to the sea star? exoskeleton polyps gametes medusae
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