What are the three body regions of insects and their functions?

The insect body is divided into three parts: the head, thorax, and abdomen. The head is specialized for sensory input and food intake; the thorax, which is the anchor point for the legs and wings (if present), is specialized for locomotion; and the abdomen for digestion, respiration, excretion, and reproduction.

Which group of animals is insect?

phylum Arthropoda
insect, (class Insecta or Hexapoda), any member of the largest class of the phylum Arthropoda, which is itself the largest of the animal phyla. Insects have segmented bodies, jointed legs, and external skeletons (exoskeletons).

What are the 3 segments of an insect?

All adult insects have three body parts: head, thorax and abdomen.

What is the largest beetle family?

Weevils
Weevils (Curculionidae) constitute the largest family of beetles, and are arguably the largest Family of insects.

What are the 3 classes of insects?

They are the largest group within the arthropod phylum. Insects have a chitinous exoskeleton, a three-part body (head, thorax and abdomen), three pairs of jointed legs, compound eyes and one pair of antennae….Insect.

Insect Temporal range:
Phylum: Arthropoda
Clade: Pancrustacea
Subphylum: Hexapoda
Class: Insecta Linnaeus, 1758

What is the name of group of ants?

a colony
A group of ants is called a colony.

What are 4 defining characteristics of insects?

Facts:

  • Insects have what we call an exoskeleton or a hard, shell-like covering on the outside of its body.
  • Insects have three main body parts: head, thorax, and abdomen.
  • Insects have a pair of antennae on top of their heads.
  • Insects have three pairs of legs.
  • Insects have two pairs of wings.