Question

Name the different classes of arthropods and mention one feature of each with an example.

Answer 1

• The different classes of arthropods are as follows:-

1. Class Insecta

• The insect's body is divided into three parts: a head, a thorax, and an abdomen.
• They have three jointed pairs of legs.
• They also possess a pair of antennae and mouthparts that aid in food intake.
• They have wings on some of them. Example:- ants, mosquitoes, butterflies, and ladybird beetles.

2. Class Crustacea

• In crustaceans, the head and the thorax are fused into one.
• Crustaceans have five pairs of jointed legs. One pair may be modified to form pincers.
• They generally live in water.
• Example:- Crabs, prawns, and lobsters.

3. Class Arachnida

• The head and thorax of arachnids are fused together.
• Arachnids have four joint pairs of legs.
• They are devoid of antennae and wings.
• Example:- spiders and scorpions.

4. Class Myriapoda

• Myriapods have a multi-segmented body.
• There are one or more pairs of legs on each segment.
• Example:- centipedes and millipedes.