OESOPHAGUS STOMACH
ECHINODERMS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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starfish
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jellyfish
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sea urchin
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seastar
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Detailed explanation-1: -Answer and Explanation: The only animal in this list that does not belong to the echinoderm phylum is B) sea squirt.
Detailed explanation-2: -Examples of echinoderms include sea stars, sea urchins, sea cucumbers, brittle stars, and feather stars (Fig. 3.83). Although they may appear very different, echinoderms all have two major defining characteristics that set them apart from all other animals: a water vascular system and five-sided radial symmetry.
Detailed explanation-3: -Chiton belongs to the phylum Mollusca, and it does not belong to the phylum Echinodermata. Hence this is the correct answer. Chiton is an animal that does not belong to the phylum Echinodermata.
Detailed explanation-4: -Explanation: Jellyfish is a coelenterate, starfish belongs to Echinodermata and silverfish is an Arthropod.
Detailed explanation-5: -Starfish belong to the phylum Echinodermata.