Question

Give characteristics of Petromyzon. Comment on its mode of nutrition.
​

Answer 1

Answer:

The sea lamprey has an eel-like body without paired fins. sharp teeth are arranged in many consecutive circular rows. There are 7 branchial or gill-like openings behind the eye.

Explanation:

Hope it help you mate ❤️

Answer 2

Answer:

Hey Mate

here is Your Answer Below

Explanation:

Characteristic features of Petromyzon:

1) It is an ectoparasite.

2) The body is elongated bearing 6-15 pairs of gills.

3) The mouth is circular, sucking type with jaws.

4) Cranium and vertebral column are cartilaginous.

5) It has a closed circulatory system.

6) Although it is marine, it migrates to freshwater for spawning.

Hope it will be Helpful

Keep Smiling

Be Happy Forever