Question

cranial nerves in cyclostomes are
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Answer 1

Answer:

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Answer 2

Cyclostomes have the 8 to 10 pair’s cranial nerves.  

Explanation:

In the cyclostomes, the nerve cord is modified to form 8-10 pairs of the cranial nerve and leads to the brain. The brain of the cyclostomes is small in size and not very developed. The eight pairs of the cranial nerve are present inside the cranium but the $9^{th}$ and the $10^{th}$ cranial nerves are not present inside the cranium.