Question

In the following question, out of the four alternatives, choose the one which can be substituted for the given words/sentence.

spiny-skinned invertebrates that are found on the ocean floor

A Cnidaria Correct Answer Incorrect Answer
B Echinoderms Correct Answer Incorrect Answer
C Chordata Correct Answer Incorrect Answer
D Anthropods Correct Answer Incorrect Answer

Solution

The correct answer is B

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