Question

Difference between urochordata cephalochordata and vertebrates

Answer 1

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Cephalochordata
1. Marine, solitary forms, generally found buried in sand in the intertidal zone of coast.
2. Body is small, fish like.
3. Notochord is persistent and runs through out the body.
4. Nerve chord is dorsal and tubular.
5. Pharynx is performed by numerous gill slits.
6. Coelome is well-developed.
7. Body shows segmentation.

Urochordata

1. Exclusively marine.
2. Body is covered with a cuticular tunic or test.
3. Notochord is present in the posterior half.
4. Nerve chord is dorsal and tubular.
5. Pharynx is performed by numerous gill slits.
6. Coelome is well developed.
7. Body is degenerated unsegmented.

Answer 2

Urochodata are the marine animal found in all parts of sea .
Cephalochordata are the marine invertebrates comprising of lancelets.
Vertebrate are organisms having backbone