Answer:
Genetic variation refers to differences in the genetic makeup of individuals in a population. Genetic variation is necessary in natural selection. In natural selection, organisms with environmentally selected traits are better able to adapt to the environment and pass on their genes.
Answer:
TRUEEE a stem bud from which a new plant can sprout
Explanation:
Answer:
If the fertilizer did not increase the yield of the crop so it means that the material the farmer used is not a fertilizer. Fertilizers has the ability to increase the yield of crops due to supply of essential nutrients that a plant requires for their growth and development.
There are two reasons if fertilizer did not work.
1) If the soil contains sufficient nutrients and you apply fertilizer so it causes toxicity and crop yield is adversely affected.
2) There are some crops like leguminous crops which make their own fertilizer through nodules. If a farmer apply fertilizer so it has no use.
Answer:
In prokaryotes, the circular chromosome is contained in the cytoplasm in an area called the nucleoid. In contrast, in eukaryotes, all of the cell's chromosomes are stored inside a structure called the nucleus. Each eukaryotic chromosome is composed of DNA coiled and condensed around nuclear proteins called histones.
Explanation:
yeah
Carbohydrates are the main energy source. But lipids are used for storing energy so