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Photosynthesis needs sunlight to occur. Therefore photosynthesis does not occur in the roots because they do not receive any sunlight. The leaves are the parts of the plant most exposed to the light.
genetic variation
Most variation occur in Ana phase because the chromosomes reach to their poles.
Genetic variation
What is needed to occur is Water, Carbon Dioxide, chorophyll, sunlight for the Photosynthesis to occur.
the amount and kind of genetic variation in a population
Yes, it affects the rate of photosynthesis and the grana(where light reactions occur).
how and why variation occur in the rate and sequence ot develpment and learning
The closer you get to the equator, the less seasonal variation you see, since the equator gets slightly more than twelve hours of sunlight every day of the year.
Well the temperature, the amount of sunlight, the amount of water, the quality of the soil , and the quality of the air would all affect this.
The more variation there is in a group of specimens, the more evolution can occur between them.
the change that occur from parents in the offspring
The more variation there is in a group of specimens, the more evolution can occur between them.
Without variation there is nothing to select from.
The epipelagic zone is the region in the ocean that is exposed to a sufficient enough amount of sunlight to allow photosynthesis to occur.
I think it might be about 2000 feet.
Photosynthesis needs sunlight to occur. Therefore photosynthesis does not occur in the roots because they do not receive any sunlight. The leaves are the parts of the plant most exposed to the light.