Answer:
Homologous structures have the same ancestry, but may no longer serve the same function. For example, the bones that make up human fingers were inherited from an ancestor that's shared by all mammals.
Rna is a cells singal identity, while dna defines a person. Tell me if i am incorect
Photosynthesis is the process by which plants, some bacteria and some protistans use the energy from sunlight to produce glucose from carbon dioxide and water.
Answer: cells
An organism is a life form consisting of one or more cells.
