The _______ Have Bodies That Are Divided into Two Parts

question 85

Multiple Choice

The _______ have bodies that are divided into two parts: a head region that bears two pairs of appendages modified to form mouthparts,and a trunk region that often has four pairs of walking legs.

• A) chelicerates
• B) crustaceans
• C) hexapods
• D) nematodes
• E) myriapods

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Definitions:

Neuron

A specialized cell transmitting nerve impulses; a nerve cell. It is the fundamental unit of the nervous system, composed of a cell body, axon, and dendrites.

Cell Body

Portion of a neuron that contains a nucleus and from which dendrites and an axon extend.

Dendrite

Part of a neuron that sends signals toward the cell body.

Axon

A long, slender projection of a nerve cell, or neuron, that typically conducts electrical impulses away from the neuron's cell body.