Each organism is unique because of genetic variation. Each set of genes we inherit from our parents codes for a specific trait. And our DNA is a blueprint for these traits. Not everybody contains the same genes and that is why we are all so beautifully unique.
The answer is d b/c smaller cells will have greater surface area to volume ratio
I believe the correct answer would be B. Semipermeable means that it allows certain substances to pass through, and certain other ones to not pass through. So given all of your options, I would say that B makes the most sense. Hope this helped!
-TTL
Two populations are said to be isolated if there is no longer any Gene Flow between them.
Nucleus, because that is where the genetic material is stored.
