The majority of mutations have neither negative nor positive effects on the organism in which they occur.
Regeneration in planarians depends on the presence of stem cells called neoblasts. These cells are distributed throughout the body and, when part of the worm has been amputated, they are activated to reform the tissues that have been removed.
Please see the attached file for the correct answer
It would be D. being able to eat plants that survive in the changed environment
Hope this helps :))
Polysaccharides have 1 sugar
disaccharides have 2 sugars
monosaccharides have a chain of sugars
