Question

general characteristics of agnatha​

Answer 1

Explanation:

Key Features of Agnatha

Jaws are absent.

Paired fins are generally absent.

Early species had heavy bony scales and plates in their skin, but these are not present in living species.

In most cases the skeleton is cartilaginous.

The embryonic notochord persists in the adult.

Seven or more paired gill pouches are present.

Answer 2

Answer:

Key Features of Agnatha

Jaws are absent.

Paired fins are generally absent.

Early species had heavy bony scales and plates in their skin, but these are not present in living species.

In most cases the skeleton is cartilaginous.

The embryonic notochord persists in the adult