Answer:
Im pretty sure it causes more useful traits to be passed to offspring
Explanation:
Scientists will look for evidence like similar body or skeleton structures, internal similarities or maybe sometimes the whole heirarchy to confirm that two speices are closely related to each other.
For example ; in birds, scientists will look for type of feathers, body structure, beaks to confirm the similarity of two birds.
Answer:
Stem cell is the special type of cell that can differentiate to give any cells in the body. Cell therapy nowadays are using stem cell in order to replace damaged tissue.
Researchers are finding out ways to treat diseases like diabetes, Parkinson's, spinal cord injury and heart injury etc. These cells have the ability to repair damaged heart cells after a heart attack. They can also treat neurological problems.