Answer:
A fixed set of steps and procedures
Choice C is most likely to be the right answer!
Mitosis will be needed to make new skin cells to repair my toe
Explanation:
The process of mitosis produces new cells which are required for the growth and repair of the cells and the body. In case of cut and damage mitosis produces identical cells and helps repair the damage caused by injury.
Answer:
The correct answer is b. must be present in a population before natural selection can act upon the population
Explanation:
Genetic variation can be caused by mutation, recombination between chromosomes during meiosis and by fusion of two genetically different gametes during sexual reproduction.
This genetic variation is necessary for the evolution of any population. Natural selection acts on every individual and it decreases the frequency of those alleles that are not suited for the environment and increase the frequency of those alleles which helps the individual to survive in the changing environment.
Therefore genetic variation must be present in the population before natural selection act on the.
