If you walked northward from the equator and noticed a trend of skin color changing by becoming lighter, this is known as <u>Cline</u>.
<h3>What is cline?</h3>
This is the tendency of a gradient to form in a certain biological trait in organisms that are separated by distance.
The humans separated by distance from the equator upwards, show cline because there is a complexion gradient in their skin tone with those northward from the equator being lighter.
Find out more on cline at brainly.com/question/4336906.
Answer:
And when it comes to “Sustainable Tourism”, there are three important pillars of the equation: environmental, economic and socio-cultural. All of these in order to fulfill the tourists' needs without affecting the destinations negatively.
One place conduction occurs in the Earths system is in the air.
<span>The scientific study of the human population is demography</span>
