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  • Which of the following statements are incorrect? 1.     Echinodermata have an endoskeleton of calcareous ossicles. 2.     They

Which of the following statements are incorrect?

1.     Echinodermata have an endoskeleton of calcareous ossicles.

2.     They are not fresh water with organ system level of organisation.

3.     The adult echinoderms are bilaterally symmetrical but larvae are radially symmetrical.

4.     They are diploblastic and coelomate animals.

5.     Water vascular system is their unique feature as compared to other phylum.

Option: 1

1and4


Option: 2

2and4


Option: 3

3and4


Option: 4

2and3


Answers (1)

best_answer

The correct option is Option 3) - 3and4.

Statement 3 is incorrect because Adult echinoderms are typically radially symmetrical, while their larvae exhibit bilateral symmetry.

Statement 4 is incorrect because Echinoderms are triploblastic animals, not diploblastic. They also have a coelom, which makes them coelomate animals.

Posted by

Divya Prakash Singh

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