Answer:
d. stabilizing selection
Explanation:
Stabilizing selection is a sort of natural selection that involves the stabilizing of population mean at a specific non extreme value of trait.
This method is the among the common mechanisms of action for natural selection.
This is due to the fact that most traits do not seems to vary drastically over time.
Answer:he prevailing theory proposes that people migrated from Eurasia across Beringia, a land bridge that connected Siberia to present-day Alaska during the Ice Age, and then spread southward throughout the Americas over the subsequent generations.
Military conflict: American Revolutionary War
People: George Washington, John Collier, Ishi, .
Explanation:
<span>"Score on the beck depression inventory" is an operational definition of depression.
</span><span> The operational definition determines the nature of an item or phenomenon (a variable, term, or object) and its properties.</span>
The correct answer was A) he felt this would allow the population to thin itself out naturally
Answer:
The Premack principle
Explanation:
Given by David Premack in 1965.
This principle is based on Operant Conditioning (reinforcement).
The Premack principle states that the chance of getting involved in more predictable activities or behaviors will reinforce less predictable activities or behaviors.
In the given eg. Jean is applying reinforcement, as he asked her daughter that she can play outside after eating fruits.