As humans dispersed from the equator peoples skin got lighter and lighter because of fewer exposure to sun radiation.
They didn't get tanned as much :)
Answer:
si lo escribieras en español te lo responderia
Explanation:
mmm por favor y gracias
The answer you're looking for is True
Answer: 4 per m2
<span>To find out the population density of a certain
species, you must divide the number of organisms living in that habitat over
how big the area is. In this case, because there are 20 mice in an ecosystem
that is 5 square-meters big, then there would be 4 mice in every square-meter.</span>