The basis of the process of Natural selection is the random mutation: some organisms develop random mutations which increase their chance for survival and they survive more likely than other organisms and reproduce.
So the correct answer is:
A) Through random mutations in DNA, some pests developed a resistance to the pesticide.
Answer:
Cells are responsible for the structures and functions of organisms.
Explanation:
Answer: B. reproducing
Explanation:
Reproducing is the characteristic which contributes to the production and generation of new cells in the body from the pre-existing cells through cell division and cell differentiation. This process helps in replacement of old and damaged cells of the body.
According to the given situation, the human skin heals as the skin cells performs the process of reproduction in which the new cells are formed from the pre-existing cells to replace the dead and damaged cells of the region of cut.
Potable water or improves drinking water, is water that is safe to drink or to use for food preperation, without risk of health problems
Characteristics of potable water are:
Cleaned of harmful 1.contaminants
2.it is transparent
3.its ordorless and colorless
4.its harmless and free of disease causing bacteria
Nucleic acid monomers are nucleotide and are made up of a phosphate group, a five carbon sugar (either deoxyribose for DNA or ribose for RNA), and a nitrogenous base (either adenine, guanine, cytosine, thymine, or uracil)