Sapling Learning Map Sort the characteristics that differentiate echinoderms fro

Question

Sapling Learning Map Sort the characteristics that differentiate echinoderms from other coelomate invertebrates such as arthropods and mollusks. You will not use all of the answer choices Echinoderm characteristics Ossicles in the dermal layer function as an endoskeleton. The exoskeleton is composed of calcium carbonate. Both juveniles and adults have bilateral symmetry A water vascular system facilitates gas exchange and movement. Adults exhibit radial symmetry and generally have repetition of body parts in multiples of five. During embryonic development the mouth develops first as in other protostomes. n other deuterostomes, the anus develops first during embryonic development. Check Answer Next tl Exit- Give Up & View Solution Hint

Explanation / Answer

Characteristics of Echinodermata:

1.ossicles(calcareous) in dermal layer function as an endoskeleton.This is covered by epidermis(skin).

2.Water vascular system:a very important feature of echinodermata which facilitates gas exchange,movement,capturing and transport of food.

3.Adult:radial symmetry and generally have repetition of body parts in multiples of five(larva-bilateral symmetry)

4.Deuterostomas:anus develop first in embryonic development

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