CLASSIFICATION
NINE COMMON ANIMAL PHYLA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following is NOT a characteristic of molluscs?
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a true body cavity (coelom)
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usually a shell produced by a mantle
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an eating organ called a radula
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three main body parts; head, thorax, abdomen
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Explanation:
Detailed explanation-1: -They do not possess a segmented body. So, the correct answer is option B.
Detailed explanation-2: -The three most universal features defining modern molluscs are a mantle with a significant cavity used for breathing and excretion, the presence of a radula (except for bivalves), and the structure of the nervous system.
Detailed explanation-3: -Mollusks have a soft body and share several characteristics, including a muscular foot, a visceral mass of internal organs, and a mantle.
There is 1 question to complete.