Answer:
The concept of immense periods of geological time are necessary to account for the possibility of the small changes resulting slowly into major changes. Thus long periods of time are essential for Darwin's theory of slow uniform biological changes being responsible for the Origin of the Species.
Explanation:
The purpose of this membrane is to maintain homeostasis in the body by regulating what enters and leaves the body. It is also part of the large process of movement of materials in your body.
Answer:
Xylem transports only minerals and waters from the roots. Phloem transports food materials that are prepared by the green parts of the plants to other parts of the plant. .Xylem is the dead tissues at maturity, but no cell contents. Phloem is the living tissue, but not with the nucleus
Explanation:
Answer: Plants are cloned to produce identical plants quickly and economically.
