Because each part does a unique step in the system. An example would be that the mouth and stomach breakdown the food, but the small and large intestine absorb nutrients and water into the bloodstream.
C. Increased genetic variation
Answer: It’s like decreasing green house gasses to zero
Explanation:
<span>Charles Darwin theory is theory of biological </span>evolution, that explains how modern organisms evolved over long periods of time through descent from common ancestors. Evolution is the process of change over time and Darwin explains in his theory the changes in humans over time and <span>shows how the living world is constantly changing.</span> This is the reason why cientists refer to charles darwin’s ideas about evolution as the theory of evolution.
