The Largest Mass Extinction Event Occurred at the End of the _______

question 43

Short Answer

The largest mass extinction event occurred at the end of the _______ period, due at least in part to declines in the concentration of _______ in the atmosphere.

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which integrates information and coordinates bodily functions and activities.

Microtubules

Cylindrical structures made of tubulin proteins, important for cell shape, division, and intracellular transport.

Proteins

Large, complex molecules essential for the structure, function, and regulation of the body's tissues and organs.

Transporting Molecules

The movement of molecules across cell membranes or within cellular compartments, essential for various biological processes.