Which of the Following Is Considered a Likely Explanation for the Events

question 1

Multiple Choice

Which of the following is considered a likely explanation for the events of the Cambrian explosion?

• A) Complex predator-prey relationships and increased atmospheric oxygen levels promoted animal diversification.
• B) A great surge of volcanic activity was triggered by significant movements of the continental plates and possibly by an asteroid impact.
• C) Solar flares led to increased UV radiation intensity, which in turn promoted a high rate of mutation. This led to rapid diversification of animals.
• D) The massive growth of swamp vegetation depleted the atmosphere's carbon dioxide and eventually cooled the Earth's climate.

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Definitions:

Artificial Red Blood Cells

Lab-created substitutes for natural red blood cells designed to mimic their oxygen-carrying function.

Concentration Gradient

The gradual difference in the concentration of solutes in a solution between two regions, often leading to diffusion.

Clotting Reaction

A process where blood changes from a liquid to a gel, forming a blood clot.

Atherosclerosis

Form of cardiovascular disease characterized by the accumulation of fatty materials (usually cholesterol) in the arteries.