Question

write a short note on cephalochordata.
Caution! - NO SPAMMING !​

Answer 1

Answer:

1) Notochord extends from head to tail region, persists throughout the life.

2) complete gut.

3) Large pharynx - perforated by numerous persistent Gill slits.

4) circulatory system well developed, closed, no heart.

5) development indirect, free swimming larvae.

6) respiration - body surface.

7) excretion - protonephridia with solenocytes.

8) paired appendages absent.

9) median fins (dorsal, ventral, and caudal) are present.

10) branchiostoma (amphioxus or lancelets).

I HOPE THIS HELPS U.

Answer 2

Answer:

Cephalochordata are small, segmented marine animals that possess elongated bodies with a notochord that extends the length of the body, extending from head to tail, persisting throughout the animal's life.

...

These synapomorphies are:

notochord,

dorsal hollow nerve cord,

endostyle,

pharynx, and.

post-anal tail.

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