C. Over many generations, the characteristics of these kinds of organisms also change
In DNA the sugar used is called deoxyribose whereas in RNA the sugar is ribose (hence DNA and RNA). The important structural difference between the two types of RNA is that mRNA takes on the shape of a line whereas tRNA has a clover-like shape.
Answer:A habitat is the place where an organism lives while a niche is that organism's role within that environment.
Explanation:
Answer:
(three) crossing over, mutations caused during crossing over, and independent assortment.
Explanation:
Because of recombination and independent assortment in meiosis, each gamete contains a different set of DNA. This produces a unique combination of genes in the resulting zygote. Recombination or crossing over occurs during prophase I.
I think it’s A because electrons actually taken up by oxygen molecules to make water.
