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Body Segmentation

Which of the ...

Question

Which of the following characteristic features is unique to echinoderms?

A

They are triploblastic

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B

They have true coelom

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C

They have spiny skin

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D

They are found only in marine condition.

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Solution

The correct option is C
They have spiny skin

Most echinoderms have a spiny skin, unlike members of other phyla.

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Similar questions

Q. Give the characteristics of phylum Echinodermata.
a. They are spiny skinned organisms
b. They are diploblastic
c. They are unisexual
d. They do not have cavity

Q. Assertion :All triploblastic animals are eucoelomates except flatworms and roundworms. Reason: They have a false coelom.

Q. Read the given statements and select the correct option.
Statement 1 : All triploblastic animals are eucoelomates.
Statement 2 : They have a false coelom.

Q. Identify the correct statement with respect to phylum Nematoda.

Statement 1: They are bilaterally symmetrical and triploblastic.

Statement 2: They have a flattened body.

Statement 3: They are acoelomate.

Q. A student observed a species and noticed the following characteristics in them. They have dry skin with scales, reproduce by laying eggs and respire through lungs. They are cold-blooded and have three chambered hearts. Which phylum this species might belong to?

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