Question

Mention any eight characteristics of phylum Arthropoda.

Answer 1

Arthropoda:

1. It is the largest phylum in the animal kingdom.
2. The word ‘arthropod’ means ‘jointed legs’ and hence, they have jointed legs.

Eight characteristics of phylum Arthropoda:

1. The paired jointed appendages bear claws.
2. They may be terrestrial, aquatic, free-living, or parasitic.
3. These animals are triploblastic, bilaterally symmetrical, and segmented.
4. The body is divided into the head, thorax, and abdomen.
5. The body is covered by an exoskeleton made up of a cuticle.
6. There is an open circulatory system, so the blood does not flow in well-defined blood vessels.
7. The body cavity is filled with blood (Haemocoel).
8. The digestive system is complete.

Some examples of Arthropoda