Is a Highly Addictive Stimulant to the Central Nervous System

question 50

Short Answer

is a highly addictive stimulant to the central nervous system manufactured from legal,over-the- counter substances.

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Definitions:

Biological Evolution

The process by which species of organisms undergo change over time through genetic variation and natural selection, leading to the emergence of new species.

Punctuated Equilibria

A model of macroevolutionary change that suggests evolution occurs via long periods of stability or stasis punctuated by periods of rapid change.

Darwinian Gradualism

The theory proposed by Charles Darwin that evolution occurs through the gradual accumulation of small genetic changes over time.

Fossil Record

The total number of fossils discovered and the information they provide about past life forms and the environments they lived in.