Hydra confusion???/

Asked by  | 10th Aug, 2009, 07:16: PM

Expert Answer:

 

Hydra uses regenerative cells for reproduction during budding. A bud develops as an outgrowth due to repeated cell division at one specific site. These buds develop into tiny individuals and detach from the parent body when fully mature. They then live as independent individuals.

 

When a hydra is bisected anywhere in the upper 7/8ths of the body column, the upper half will regenerate a foot at its basal end, and the lower half will regenerate a head at its apical end; each half generates the organ that it is missing. The regeneration is precise, the head and foot are always formed specifically at the apical and basal ends, respectively. The most dramatic form of regeneration in hydra is the ability to form complete animals from aggregates of cells. Regeneration is carried out by speciallised cells.

Answered by  | 11th Aug, 2009, 06:40: PM

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