This would be Mitosis.
Mitosis results in two diploid cells.
Meiosis, on the other hand, results in four haploid cells.
Answer:
Explanation:
I am not that sure but according to me it will be the option 3.
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.
B). It was produced from photosynthesis
