The answer to this question would be D (DNA). It can be found in the nucleus of a cell and contains the entire genetic information of a whole.
The answer is B because the white rabbit population was disrupted and so was the grey one increased the other decreased. I hope this works for you.
Answer:
generic variation helps species survive because it gives there offspring there traits to survive
Explanation:
Answer:
Cyanobacteria
Explanation:
Cyanobacteria were the first photosynthetic autotrophs that used water molecules as the source of electrons. Cyanobacteria were the first autotrophs that performed oxygenic photosynthesis and carried out the splitting of water.
The process of splitting water released oxygen as a gas (O2) which was released in the atmosphere of the earth as a by-product. This led to the accumulation of oxygen in the atmosphere. Some cyanobacteria can fix nitrogen and have specialized cells called heterocyst which serve as the site for nitrogen fixation.
