extinction

Noun

Easy difficulty

What does “extinction” mean?

noun.the complete disappearance of a species or group from existence.

SAT Usage

this term typically appears in passages related to environmental science, biology, or discussions about biodiversity. It emphasizes the irreversible loss of species and the consequences of human activity, highlighting the urgency of conservation efforts, unlike terms like "endangerment," which suggest a potential for survival but still requires action.

Common Confusions

Extinction implies the complete and irreversible loss of a species, while endangerment usually suggests that a species is at risk but still has a chance for recovery and survival.

Do not choose extinction if the context emphasizes survival or continuation rather than the state or process of a species, family, or larger group being or becoming extinct.

Example Sentences

Many scientists warn that the species is near extinction.

Word Parts: How to Remember “extinction”

Break “extinction” into its parts: ex- (out of, from). Knowing roots like these helps you decode unfamiliar SAT vocabulary.

Prefix: ex- out of, from (Latin)

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