6. What is the similarity between breathing
in an earthworm and a frog?
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Answer:
Answer and Explanation:
Explanation:
Earthworms have the most basic respiratory system of these animals. With no true lungs, they let oxygen and carbon dioxide diffuse through their moist skin. Squid on the other hand suck water in through a mantle, where its gills then extract the oxygen dissolved in the water.
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Answer:
Frogs breathe by their gills
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