Pick up the signs of coelenterates.

| April 10, 2021 | education

Signs of coelenterates:

1) The presence of a body consisting of two layers of cells: ectoderm and endoderm;

2) The presence of the intestinal cavity, which interacts with the external environment through one hole – the mouth, surrounded by tentacles;

3) The presence of stinging cells;

4) They are characterized by intracellular and cavity digestion;

5) The presence of a nervous system of a diffuse type (mesh);

6) They are characterized by a high degree of regeneration;

7) They are characterized by reflexes (that is, they have irritability);

8) They are characterized by two types of reproduction: sexual (germ cells participate in the mechanism), asexual (using budding);

9) The presence of radial symmetry;

10) Predatory type, since food is attacked by tentacles.



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