Which of the following is correct regarding branching descent and natural selection as the key concepts of Darwinism theory?
(A)Branching descent: new life forms which appear arise as branches from the previously existing life forms. | Natural selection: selection of useful variation by nature.Correct
(B)Branching descent: common ancestry is not considered true. | Natural selection: existence of variation which is not practical in a population.
(C)Branching descent: common ancestry is considered true. | Natural selection: existence of variation which is not practical in a population.
(D)Branching descent: new life forms which appear do not arise as branches from previously existing life forms. | Natural selection: selection of useful variation is not considered true.
Answer: (A)
Solution
Branching descent holds that new life forms arise as branches from previously existing life forms which share common ancestry, and natural selection is the process by which nature selects useful variation for survival
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