Answer and Explanation:
There is possibility of the organisms interbreeding with the wild-type or other sexually compatible species may lead to the loss of the novel trait created unless the trait presents a competitive advantage to the organism. Also the organisms may exhibit faster growth and development thus bestowing on them competitive advantage over the wild-types.
Natural selection is an evolutionary mechanism by which (B.) advantageous traits become more common in a population.
Answer:a. Elephants exhibit a disproportionate influence on the structure of the community relative to their abundance.
Explanation:
Slightly fewer than 4 million babies are born in the United States each year, and the details of how, when, and where they arrive are always shifting. Total fertility rate is an estimate of the average number of births a group of women have over their lifetime. The U.S. fertility rate has been declining since 2007.