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The Structures of the Reward Pathway Comprise the ________ System

question 13

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The structures of the reward pathway comprise the ________ system.


Definitions:

Ferns

Ferns are non-flowering vascular plants that reproduce via spores and have fronds, belonging to a group called Pteridophyta.

Amphibians

Cold-blooded vertebrates that can live both in water (using gills to breathe) and on land (breathing with lungs) at different stages of their life.

Prebiotic Soup Hypothesis

A theory suggesting that life on Earth began in a "soup" of organic molecules, possibly in the oceans, facilitated by energy from sunlight or geothermal sources.

Fossil Record

The accumulation of evidence in rock layers about the history of life on Earth, including the remains or imprints of organisms from past geologic ages.

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