Black squirrels may increase in a certain area due to natural selection because of the ground below it being dark so the squirrels would adapt to the terrain, making them harder to see by predators.
EXAMPLE: if a light fur colored squirrel is on a dark terrain, an Owl or Large bird could easily see the color differentiation and notice that it is a small land organism (prey).
So the squirrels kin would evolve in the sense that they would have darker fur to match their inhabitance
Answer:
The membrane is selectively permeable because substances do not cross it indiscriminately.
Explanation:
Answer:
Earth is between the Moon and the Sun.
Explanation:
Because the moon has moved in its orbit so that the earth is between the Moon and the Sun.
Answer:
There are three main measures of central tendency: the mode, the median and the mean. Each of these measures describes a different indication of the typical or central value in the distribution.