Coral reefs are large structures in the sea. A coral reef is the remains of tiny organisms. The reef is hard. Animals
use it for shelter. Some animals find food there. One type of crab helps the coral. The crab lives in the coral. It
takes tiny pieces of dirt and sediment away. By clearing the dirt, the crabs help the coral.
A: carry
B: feed
C: make
D: clean
Answers: 1
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What terms describes being out of water after being submerged
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Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast
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Coral reefs are large structures in the sea. A coral reef is the remains of tiny organisms. The reef...
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