Question

Difference between Agnatha and Gnathostomata ​

Answer 1

Agnatha :-

• Jaws are absent in these animal

• Mouth is round

• Genital ducts are absent

• One median pineal eye is found along with two lateral eyes on head.

• Paired appendages absent.

Gnathostomata :-

• Mouth is encircled by true jaws

• Mouth is not round

• Gonads are paired , genital ducts are present

• Pineal eye is absent

• Paired appendages present .

Answer 2

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