First slide

Classification of Animals

Question

Mark the feature of arthropods.

Easy

A

The body is unsegmented.
B

Exoskeleton is made of a calcium carbonate.
C

Simple and compound eyes are present.
D

Spiny skin made of calcareous ossicles.

Solution

Sensory organs like antennae, eyes (compound and simple), statocysts or balancing organs are present in arthropods. They are segmented. Exoskeleton is made of a polysaccharide chitin.
Spiny skin made of calcareous ossicles is a feature of echinoderms.

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