Question

what do the fish have on the skin and body​

Answer 1

Answer:

The outer body of many fish is covered with scales, which are part of the fish's integumentary system. The scales originate from the mesoderm (skin), and may be similar in structure to teeth. Some species are covered instead by scutes. Others have no outer covering on the skin

Explanation:

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Answer 2

Answer:

As in other vertebrates, the integument of all fishes consists of two layers: an outer epidermis and an inner dermis or corium (Figures 1–4). The two layers differ in origin, structure, and function.

Explanation:

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