Answer:
Option A is correct.
Explanation:
Phenotype ratio is the number of one phenotype compared to another phenotype.( physical characteristics)
C/cch * C/c
Photosynthesis makes a sugar for the plant, in order for photosynthesis to occur the plant needs carbon dioxide and water, and with the use of the sunlight it produces oxygen and glucose. For respiration you need glucose and oxygen which produces carbon dioxide, water and ATP(energy) for the cell. I hope this helps, I only know the first half of the question.
....meiosis.., however, I'm not sure that the zygote goes through division. After the two gametes intercept and FORM the zygote, I'm pretty sure the zygote doesn't deconstuct from a dipliod back into a hapliod
It would be, (B) It enables scientists to better differentiate among the various species.
B im pretty sure that is the right answer