Question

write about sub -phylum cephalochordata ?

Answer 1

Hey mate


here is your answer :-


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✨ 'cephalo' means head 'chordata' means notochord.

⚡ presence of notochord in the head region and extended posteriorly

⚡ progressive metamorphosis occurs adult forms is advanced than larval form by development of the body components.

for example:-

✴ amphioxus

Answer 2

Hallo friend

Answer ✍️✍️✍️

*️⃣ it is segmented marine animals.

*️⃣ They are very small.

*️⃣It belongs to kingdom animalia