A sustained directional shift in a population's average characteristics is called:
A)cladogenesis
B)genetic drift
C)anagenesis
D)speciation

Question

A sustained directional shift in a population's average characteristics is called:​
A)​cladogenesis
B)​genetic drift
C)​anagenesis
D)​speciation

Quizplus · Accepted Answer

Anagenesis refers to the gradual evolution of a population over time, resulting in a shift in the average characteristics of the population. Cladogenesis refers to the splitting of a population into multiple species, while speciation is the process of creating new species. Genetic drift refers to random fluctuations in allele frequencies in a population.

A Sustained Directional Shift in a Population's Average Characteristics Is