So a change in an organism's DNA can cause changes in all aspects of its life.Mutations<span> are essential to </span>evolution<span>; they are the raw material of genetic variation. Without </span>mutation<span>, </span>evolution<span> could not occur.</span>
Prophase the nuclear membrane disappears & after that Chromtains coil up & chromosomes are now visibles & lastly spindle fibers come & separate them.
Answer:
All organisms are made up of one or more cells.
Answer:

aka Ethenone
Explanation:
Ethenone is an organic compound made out of the elements Carbon, Hydrogen, and Oxygen. It is an example of a covalent molecule. The Hydrogens are single bonded to the carbon and then the carbons and oxygen are double-bonded to each other. Additionally, because there are 2 Hydrogens and 1 Oxygen the ratio is 2:1, as stated in the question.
I do believe the answer is d. there is an equal amount of water on the inside and the outside.