Here are the 3 parts of the cell theory:
1. Cells are the basic building blocks of any living things.
2. Any living thing is composed of more than 2 cells.
3. New cella arise from the old
The answer to this question is:
<span>Which of the following is characteristic of the second stage within a demographic transition?
</span><span> D-"The death rate begins to fall, but birth rates remain high for a time."
Hoped This Helped, </span><span>
Tiffbmt90
Your Welcome :) </span>
Answer:
Sam's genotype would be BO/BO
Explanation: Both of these would be exmapls of Sam's blood genotype.
hope this helps!
So a change in an organism's DNA can cause changes in all aspects of its life. Mutations are essential to evolution; they are the raw material of genetic variation. Without mutation, evolution could not occur.