Walmart assistant managers average $45,000 a year, which is right on target for the national average salary, according to Glassdoor salary data. If you factor in bonuses and additional compensation, the average pay increases to $48, 311 a year.
Natural selection can only work on existing variation within a population. Such variations arise by mutation, a change in some part of the genetic code for a trait. Mutations arise by chance and without foresight for the potential advantage or disadvantage of the mutation.
Examples Of Natural Selection. Natural selection can be defined as a process where the organism that is able to survive will pass on the beneficial traits to its offsprings because these traits are the best suited for the environment. When the offsprings are able to survive successfully, they increase in numbers.