AP BIOLOGY

Detailed explanation-1: -Regeneration is a natural process that allows plants and animals to replace or restore damaged or missing cells, tissues, organs, and even entire body parts to full function. Scientists are studying regeneration for its potential uses in medicine, such as treating a variety of injuries and diseases.

Detailed explanation-2: -Salamanders tend to regrow their tails, weeks after dropping the old one and the new appendage is fully functional. Axolotls are an aquatic species of salamander with extraordinary regenerative ability and are able to regenerate organs, skin, limbs, or practically any other body part.

Detailed explanation-3: -So, the correct option is ‘Starfish’

Detailed explanation-4: -The liver is the only organ in the human body that can regenerate. Although some patients who have a diseased portion of their liver removed are unable to regrow the tissue and end up needing a transplant.