Exoskeleton of the following consists of a chitinous cuticle

Question

Exoskeleton of the following consists of a chitinous cuticle (A) Annelida (B) Porifera (C) Arthropoda (D) Echinodermata

Tardigrade Admin · Accepted Answer

In arthropods, the body is covered with a thick, tough and non-living cnitinous cuticle, which forms the exoskeleton. The latter is moulted entire at intervals, eg, cockroach.

Q. Exoskeleton of the following consists of a chitinous cuticle

Annelida

Porifera

Arthropoda

Echinodermata

In arthropods, the body is covered with a thick, tough and non-living cnitinous cuticle, which forms the exoskeleton. The latter is moulted entire at intervals, eg, cockroach.