What are vertebrates? What are their main features?

cbse
cbse-class-9-science
diversity-in
living-organisms

#1

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:

  1. Pisces
  2. Amphibians
  3. Reptiles
  4. Aves and
  5. 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.