Which of the Following Statements Is TRUE Regarding the Circulatory

question 85

Multiple Choice

Which of the following statements is TRUE regarding the circulatory system of earthworms?

• A)Like many insects, earthworms possess an open circulatory system that utilizes hemolymph rather than blood.
• B)Earthworms possess a single, large heart that runs along the entire dorsal (back)portion of the animal; earthworms do not possess lateral or centrally located hearts.
• C)Earthworms have a closed circulatory system, complete with dorsal and ventral blood vessels.
• D)The circulatory system of earthworms is specially developed to prevent "bleeding out" if an earthworm is bitten in half by a predator; it plays no role in the burrowing ability of these animals.
• E)As earthworms possess open circulatory systems, these animals are far more active compared to organisms with closed circulatory systems.

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