Answer: Splitting the water
Explanation:
Carbon dioxide has a regulating function in the splitting of water in photosynthesis.
Homologous chromosomes, is a pair of chromosome connected by a centromere. In sexual reproduction, the chromosome of the mother and the chromosome of the father pairs together.
According to a source the answer is <span><u>Cyanobacteria were the first organisms to produce oxygen in water, which then escaped into the atmosphere.</u>
These cyanobacteria species were the first ones to "produce" oxygen as a by-product of the photosynthetic mechanisms which enables organisms to make their own food. </span>
A. Consumers cannot produce their own food source so they have to eat other animals.
C. Rhizobia bacteria "prepare" the atmospheric nitrogen and make it useful for the plant.
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