Question

Write Four distinguishing characters of Sub phylum-Cephalochordata.​

Answer 1

"The four distinctive characteristics that, taken together, set chordates apart form all other phyla are the notochord; single, dorsal, tubular nerve cord; pharyngeal pouches; and postanal propulsive tail.

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Answer 2

Distinguishing characters of Sub phylum-Cephalochordata are as follows:-

• These are small.

• Maraine animals.

• Notochord is present.

• Pharynx is very large and contains gill-slits.

• These animals are unisexual.

Ex. Amphioxus