Species evolve over time based on their environment.
If part of a group of a species gets isolated into a new environment, then both species (the initial environment and the new one) will evolve differently because of their different environments and in result become different.
So since they both evolve differently based on their different surroundings, the group that was isolated becomes a new species.
Answer:
A planet is a celestial body that is in orbit around the sun.
It has sufficient mass for it's self gravity to overcome rigid body forces so that it assumes a hydrostatic equilibrium shape.
It has cleared the neighborhood around its orbit.
An example of planet is the earth
Answer:
The answer is E
Explanation:
Oligodendrocytes provide structural framework and myelinate the central nervous system (CNS) axons.
The lack of iron makes them crave ice.
