Which of the Following Major Transitions Proposed by John Maynard

question 44

Multiple Choice

Which of the following major transitions proposed by John Maynard Smith and Eörs Szathmary (1997) most likely occurred first?

• A) the evolution of sexual reproduction
• B) the emergence of eukaryotic cells
• C) the origin of the first cells
• D) the evolution of groups, including complex societies

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which integrates information received from the body and coordinates activity.

Norepinephrine

A neurotransmitter and hormone involved in the body's fight or flight response, influencing attention, heart rate, and blood pressure.

Adrenal Glands

Glands located above the kidneys that produce hormones such as adrenaline and cortisol, involved in stress response.

Acetylcholine

A neurotransmitter in the central and peripheral nervous system that plays a crucial role in the function of muscles and cognitive processes.