EVERYDAY SCIENCE

Detailed explanation-1: -Final answer: The body of arthropods is covered by a hard outer covering called exoskeleton.

Detailed explanation-2: -The exoskeleton is composed of a thin, outer protein layer, the epicuticle, and a thick, inner, chitin–protein layer, the procuticle. In most terrestrial arthropods, such as insects and spiders, the epicuticle contains waxes that aid in reducing evaporative water loss.

Detailed explanation-3: -An exoskeleton is a hard covering that supports and protects the bodies of some types of animals. The word exoskeleton means “outside skeleton.” Many invertebrates, or animals without backbones, have exoskeletons. Insects are the largest group of animals that have an exoskeleton.

Detailed explanation-4: -Arthropod and vertebrate skeletons are quite distinct from each other. Basically, the vertebrate skeleton is internal (an endoskeleton) while the arthropod skeleton is external (an exoskeleton).

Detailed explanation-5: -Arthropods have a hard outer covering, called a(n) exoskeleton, that protects their bodies and holds in moisture.