Question

amoeba and hydra reproduce by ______ method.

Answer 1

reproduction method called binary fission. 

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Answer 2

Amoeba and hydra are reproduced by the Asexual method.

Explanation:

"Asexual reproduction" is a type of reproduction leading to offspring formation from a "single organism" and inherited the gene of the parents only.

"Asexual reproduction" is the primary process of reproduction for a "single-celled organism".

Many "plants and fungi" sometimes reproduce asexually. Some asexual cells die when they are very young. Amoeba infection leads to various disorders like dysentery and infection in humans.