This is a theory because this has been proven by scientists years ago. The evidences to prove this theory were shown.
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The answer is a sexual maturation. Sexual maturity is the competence
of an organism to reproduce. Puberty encompasses the process of sexual
maturation and adulthood is based on cultural definitions, but in humans It may
be well thought-out identical with adulthood.
I don’t unD3rstand complete my the full question but comment below so I can try and understand for you
Answer:
From CARBONDIOXIDE (CO2) found in the atmosphere
Explanation:
Photosynthesis is a process performed by autotrophic organisms like green plants. It is a phenomenon whereby these plants manufacture their own food (sugars) using an inorganic carbon source in the presence of sunlight to provide energy.
The major end product of photosynthesis is glucose, which has a carbon constituent i.e. C6H12O6. However, this carbon needed to make glucose is got from an inorganic molecule called CARBON DIOXIDE, which the plants take from the atmosphere in via the stomata on their leaves.
Check points throughout the cell cycle that determine when the cell should begin the next phase
