Question

What are special features of chordata?

Answer 1

Answer:

Animals in the phylum Chordata share four key features: a notochord, a dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail.

Answer 2

Chordates:

• Chorda means A thick string and Ata means To have

• Thus cordates are animals having a notocord

• They have hollow nerve cord

• Paired Pharyngeal gill slits are present

• Post Anal tail is present

• They are bilaterally symmetrical

• They are coelomate (have true coelom)

• Have organ system level of organisation

• Closed circulatory system is present.

• Heart is ventral

Ex:- Birds, Mammals, Reptiles, Fishes etc