Which Is True Regarding Natural Selection

question 18

Multiple Choice

Which is true regarding natural selection?

• A)There is an ideal organism which evolution is leading towards.
• B)The pressure to evolve comes from within.
• C)Could be summarized as "survival of the fittest."
• D)Macroevolution leads to microevolution.

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Definitions:

ATP

Adenosine triphosphate, a universal energy carrier molecule used by cells to store and transfer energy.

Oxidative Phosphorylation

A process occurring in mitochondria that uses oxygen and high-energy electrons to produce ATP and water.

Krebs Cycle

A series of chemical reactions used by all aerobic organisms to generate energy through the oxidation of acetate derived from carbohydrates, fats, and proteins into carbon dioxide and water.

Oxygen

A chemical element with symbol O and atomic number 8, essential for respiration in animals and plants and a component of the Earth's atmosphere.