Question

Why are Arthropods named so? Also, write three characteristic features of it.

Answer 1

Arthropoda:

1. Arthropoda is the largest phylum with about nine lakh species.
2. They may be aquatic, terrestrial, or even parasitic.
3. They have jointed appendages and a chitinous exoskeleton.

Three characteristic features of Arthropoda are:

1. The body is triploblastic, segmented, and bilaterally symmetrical. They exhibit organ system levels of organization.
2. The body is divided into the head, thorax, and abdomen. Their body has jointed appendages that help in locomotion.
3. They are unisexual and fertilization is either external or internal. They have a well-developed digestive system.