Biology, 03.12.2019 04:31 chantihock05
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?
a) medusae; silica
b) polyps; silica
c) exoskeleton; calcium carbonate
d) polyps; calcium carbonate
Answers: 1
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The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?
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Biology, 22.06.2019 03:00
Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .
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The crown-of-thorns sea star, acanthaster planci, preys on the flesh of live coral. if coral animals...
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