Consider the Names of the Eras in the Geologic Time

question 43

Multiple Choice

Consider the names of the eras in the geologic time scale. What is meant by "zoic"?

• A) rocks; lithified strata
• B) life; living things
• C) ancient
• D) animals

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Definitions:

Periaqueductal Fibres

These are neural pathways located in the periaqueductal gray matter of the brainstem, critical in modulating pain and defensive behavior.

Perceptual Experiences

Involve the interpretation and awareness of sensory information, allowing us to understand our environment through the senses.

Subjective

Refers to personal perspectives, feelings, or opinions entering the decision-making process, as opposed to objective, which is fact-based and uninfluenced by personal feelings.

Alpha Waves

Brain waves detected by an EEG that indicate a state of relaxation or light meditation, typically with a frequency of 8-12 Hz.