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faltersainse [42]
3 years ago
6

Which is the best hypothesis for the scientific question "how does light intensity affect the rate of photosynthesis"?A) light i

ntensity, co2 concentration, and temperature are factors that determine the rate of photosynthesis.B) light intensity has no effect on the rate of photosynthesis.C) if the distance between the source of light and the plant is increased, the rate of photosynthesis will decrease.D) light intensity has an impact on the rate of photosynthesis.
Biology
1 answer:
Alik [6]3 years ago
8 0

Answer:

D

Explanation:

A hypothesis is based on assumptions. Assumptions, on the other hand, are developed from the limited evidence available. In this case, it can be rightly assumed that light intensity has an impact on photosynthesis based on what is observed in the environment. However, to prove or disapprove the hypothesis, controlled experiments need to be conducted.

A good hypothesis is also simple and clear.

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Explanation:

According to Gregor Mendel, a Gene comes in two alternative forms called ALLELES. One allele called the DOMINANT ALLELE is capable of masking the phenotypic expression of the other called the RECESSIVE ALLELE. The dominant allele will always express itself whenever it is present. However, a recessive trait will only be expressed when two alleles for recessiveness occur in the gene.

An individual whose genotype is for the recessive allele will have two copies of the allele whose effect is hidden unless the other allele is absent. This means that in that particular gene, the two present alleles will be recessive alleles.

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