Question

What is open type and closed type growth? Explain.​

Answer 1

Answer:

Their development is, in this sense, “open.” Most animals, on the other hand, lack persistently embryonic cells of this kind, and their development may be characterized as “closed.” (There may be certain exceptions to this in very simple forms.

Answer 2

Answer:

Their development is, in this sense, “open.” Most animals, on the other hand, lack persistently embryonic cells of this kind, and their development may be characterized as “closed.” (There may be certain exceptions to this in very simple forms, such as flatworms, in which certain cells called neoblasts seem able to

Explanation:

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