Wednesday, April 27, 2011

How Long Does It Take a Star Fish to Regenerate?

The actual time it takes for an arm to regenerate into an adult star fish varies. This phenomenon is regulated by both exogenous (seasonal changes, environmental stimuli)and endogenous factors (body size, humoral and nervous factors). Several studies have been done on this topic and it appears that within 6 weeks the animal has made significant growth advances in replacing the lost body parts.

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