Most cnidarians have two layers of cells that are organized into tissues that have specific functions.

Biology

1 answer:

erastova [34]3 years ago

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Answer:

The answer is TRUE. Most cnidarians have two layers of cells that are organized into tissues: Epidermis and Gastrodermis.

Explanation:

Cnidarians' basic body organization is simple: It is a hollow structure composed of two cellular layers:

epidermis, which is the external layer,
gastrodermis which is the internal layer, composed by lining cells in the gastrovascular cavity.

Between these two there is the mesoglea that varies from a thin, non-cellular membrane to a mucous, fibrous, thick membrane with amebocytes.

Epidermis and gastrodermis originate from two embryonic tissues, the ectoderm, and the endoderm.

The epidermis is formed of five types of cells with different functions: epitheliomuscular, interstitial, cnidoblasts, secretors, and sensorial.

The gastrodermis is composed of nutritive cells, glandular enzymatic cells, secretory cells, and sensorial cells.

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