Question

Write four general characters of phylum Arthropoda .Give two examples.

Answer 1

Phylum Arthropoda :

1. The largest phylum of Animalia is Arthropoda.
2. The phylum Arthropoda includes animals with joint legs and appendages.
3. The literal meaning of arthropod is jointed legs (the word ‘arthropod’ means ‘jointed legs’).
4. These animals are bilaterally symmetrical and segmented.
5. The body is triploblastic.
6. They exhibit organ system levels of the organization.
7. The body is divided into the head, thorax, and abdomen.
8. They have an open circulatory system.
9. The head bears a pair of compound eyes.
10. The exoskeleton is made of chitin.
11. Some examples are prawns, butterflies, houseflies, spiders, etc.