What are vertebrates? What are their main features?
Answer:
Vertebrates are the animals included in the phylum chordata in which the spinal chord is made of small vertebrae.
There are five classes of vertebrates:
- Pisces
- Amphibians
- Reptiles
- Aves and
- Mammalia.
The main features of vertebrates are given as under:
- They possess a solid notochord.
- The body has bilateral symmetry.
- They have a true vertebral column.
- They have a dorsal hollow nerve cord.
- They are triploblastic.
- The terrestrial forms respire through lungs and the aquatic forms through gills.
- They are coelomate.