For language (and other development milestones) the sequences are typically universal but there are individual differences in timing.

In the U. S. today, the three leading causes of preventable death are smoking-related illnesses, followed by being overweight, followed by alcohol-related illnesses

Indicate whether the statement is true or false

____ refers to the reproductive success of an individual organism relative to the average reproductive success in the population

a. Natural selection b. Polygenic transmission c. Fitness d. Gene flow