<span>Reproduction during which one organism produces genetically identical offspring is called asexual reproduction.</span>
Temperate grasslands are composed of a rich mix of grasses and forbs and underlain by some of the world’s most fertile soils. Since the development of the steel plow most have been converted to agricultural lands.
Answer: The correct answer for the fill in the blank is B) Advantageous traits become more common in a population.
Theory of natural selection was given by Darwin. This is one of the mechanisms of evolution.
According to this theory, organisms that are better adapted to their environmental conditions survive and increase their population by reproduction. So they pass the advantageous trait to the next generation. In other words, it reflects the survival of the fittest.
Due to this, the advantageous trait becomes more common in the population.
Thus, the correct option is B)
Answer - Theory
Reasoning - Your best bet and term to describe the evolution by natural selection is theory as to still scientific theory/research is still ongoing and changes can be made in a different direction.