Question

Which class has the largest number of animals?

Answer 1

Insecta:

1. Insects form the largest class of animals in the phylum Arthropoda.
2. Arthropoda is the largest phylum of animals within which, the class Insecta has the maximum number of species.
3. Insects make up around 75% of the phylum Arthropoda.
4. The body is divided into head, thorax and abdomen.
5. It has an exoskeleton made up of chitin.
6. They have an open circulatory system and are generally triploblastic.