Answer:
Adaption to the land and its resources
Explanation:
migrants and their descendants pushed south and east, adapting as they went.
Maturation is a threat to internal validity stemming from either long-term or short-term physiological changes occurring within the participants that may influence the dependent variable.
<h3>
What are physiological changes?</h3>
Ageing causes physiological changes in all organ systems. Arteriosclerosis develops, blood pressure rises, and cardiac output declines. Lung function is compromised, vital capacity is reduced, and expiratory flow rates are slowed.
Pregnancy causes a number of physiological changes in the mother, such as an increase in fat and total body water, a drop in plasma protein concentrations, particularly albumin, an increase in blood volume, cardiac output, and blood flow to the kidneys, and a decrease in blood pressure.
Learn more about physiological changes here:
brainly.com/question/14970685
#SPJ4
Traditional classroom helps in better understanding and beliefs by making students learn to work under pressure. They are also taught to cultivate interpersonal skills, and so on.
<h3>
What do you understand by traditional classrooms?</h3>
In a regular classroom, a teacher instructs students using a set curriculum. To assess pupils' comprehension, standardized examinations are given often. In this model, the time, place, and pace of the students' learning stay constant. The traditional classroom setting encourages student interaction and offers a supportive environment for learning. Additionally, it pushes kids to be more competitive. Youngster can develop their individuality and character in a traditional school's social setting.
To learn more about traditional classrooms, visit:
brainly.com/question/28007666
#SPJ4
