Question

what is absent is petromyzon​

Answer 1

Answer:

Petromyzon is the sea lamprey, which lacks bony teeth and jaws. Hagfish is eel-shaped, slime-producing marine fish. Along with lampreys, they are jawless and are living fossils. So, the correct answer is option D.

Explanation:

Petromyzon is the sea lamprey, which lacks bony teeth and jaws. Hagfish is eel-shaped, slime-producing marine fish. Along with lampreys, they are jawless and are living fossils. So, the correct answer is option D.

Answer 2

QUESTION:-what is absent is petromyzon

ANSWER:-

Jaws is absent in petromyzon

Step-by-step Explantation

Petromyzon i.e. Sea lamprey and Hagfish are jawless among the given options. These two belong to the superclass Agnatha of the subphylum Vertebrata. The characteristic of the organisms of this superclass is the absence of jaws and this is the reason the organisms of this class are called jawless fishes.

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