The weakest died out and only the intelligent and strong survived to pass on the most useful traits, determining the way a species evolved - growing more intelligent or athletic as a result of these patterns.
Some individuals are more likely to survive and reproduce than others because they are fit and easily adapting. This idea is called 'survival of the fittest'.
I studied this before and I'm pretty sure it's D (sorry if I'm wrong)
Answer:
A
Explanation
Example glucose on glycolysis yield water,ATP and pyruvate.Pyruvate is then converted to acetyl COA which enter to the Krebs cycle to produce carbon dioxide and more energy rich molecules
