Question

Explain about notochord; differentiate protochordata and vertebrata with example.​

Answer 1

Answer:

1. The notochord is an elastic rod which extends through Chordate organisms, providing rigid support. In the more derived Chordates, the Vertebrates, the notochord is replaced by the vertebral column, and becomes the cartilaginous substance between vertebrae.
2. Diversity in Living Organisms
3. Diversity in Living OrganismsVertebrates are animals with backbone and spinal cord whereas protochordates are the informal name given to invertebrates that have notochord, dorsal nerve cord and pharyngeal slits.