The Eukaryotes First Appear in the Fossil Record About ____

question 129

Multiple Choice

The eukaryotes first appear in the fossil record about ____ million years ago.

• A) 1.8
• B) 2.2
• C) 2.7
• D) 3.6
• E) 1.5

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Definitions:

Starve

To suffer or die from extreme or prolonged lack of food.

Medulla

A section of the brainstem involved in autonomic functions, such as breathing, heart rate, and blood pressure.

Cerebellum

A major structure of the hindbrain that is responsible for motor control, coordination, precision, and accurate timing, but does not initiate movement.

Temporal Lobe

A region of the cerebral cortex located beneath the temples, responsible for processing auditory information and involved in memory and emotion.