Answer:
B. very high genetic variation
Explanation:
Selective breeding is the process by which crops or animals with desired phenotypic traits are chosen to produce offspring, which will contain the desired qualities. In this case, a group of scientists is trying to apply the principles of selective breeding to develop a particular crop plant.
This goal of producing a useful crop plant by the scientists can only be achieved when the plant species in question possess a HIGH GENETIC VARIATION i.e. difference in genetic constitution of individuals of the same species. This allows the individuals in the population to survive better.
The answer to this question is D: Psychoactive. It is the world's most widely consumed psychoactive drug.
A thorough soil analysis
Explanation:
A through soil analysis must be included in Jordan's report in order to ascertain is findings.
Since he seeks to determine the effect of various soil pH on plant growth, it is pertinent he performs a pH analysis of the soil.
- The soils pH is the independent variable. It is the cause of the varying plant growth according to the hypothesis he must have formulated,.
- The dependent variable is the pant growth.
- It will be incomplete to exclude the soil analysis report from his findings.
The soil is the component that contains the minerals that conditions pH.
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B-Kidneys
The kidneys act as filters that strain urea and excess salts from the bloodstream to release them in the urine.