Adaptation:Question 1 Due to changes in the environment, being faster runners has become a major advantage for a
species of cats.
What will be the effect of this in future generations?

If scientists are wrong about earth's age based on radioactive material and the decay rates are really much faster, how would nuclear power plants be affected?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -