<span>Random fertilization adds to the genetic variation thanks to B)Fusion of sperm and ovum, each having a unique combination of chromosomes, introduces further variation. Fertilization is a process of fusion of sperm and ovum. In a random fertilization, it is expected that sperm and ovum each have a unique combination of chromosomes. Thus, the created zygote will have a unique combination of chromosomes which introduces variation.</span>
Answer:
Sorry kid my middle school day re long gone but ummm... don't do drugs
:)
Explanation:
When a meteoroid passes through earth's atmosphere, it heats up due to air resistance. The heat causes gases around the meteoroid to glow. most meteoroids that enter earths atmosphere disintegrate before they hit the ground.
Answer:
two guard cells
Explanation:
Stomata are the pores found on the surface of leaves and some stems. They are formed from two guard cells (bean-shaped cells) joined at their ends, forming a pore.
