because the world is spinning at a different angle and speed as it its orbiting the sun.
Answer: adult tissues
Explanation: Adult stem cells. These stem cells are found in small numbers in most adult tissues, such as bone marrow or fat. Compared with embryonic stem cells, adult stem cells have a more limited ability to give rise to various cells of the body.
Answer:
crossing over
Explanation:
Crossing over is where homologs can exchange DNA which leads to genetic variation
