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Alex_Xolod [135]
3 years ago
12

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

Biology
1 answer:
erastova [34]3 years ago
3 0

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:

  • <u>epidermis</u>, which is the external layer,
  • <u>gastrodermis</u> which is the internal layer, composed by lining cells in the gastrovascular cavity.

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

Epidermis and gastrodermis <em>originate from two embryonic tissues</em>, the ectoderm, and the endoderm.

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

<em>The gastrodermis</em> is composed of nutritive cells, glandular enzymatic cells, secretory cells, and sensorial cells.

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