AP®︎ Environmental Science: Topic 8.12 Flashcards

Master key terms and definitions for Topic 8.12 of AP Environmental Science – Lethal Dose 50% (LD50) to help you prep for quizzes and the AP exam.

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Term

Lethal Dose 50% (LD50) / Median Lethal Dose

Definition

The dose of a chemical that kills 50% of a test population of a particular species under specified exposure conditions, usually reported in mg/kg

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Lethal Dose 50% (LD50) / Median Lethal Dose
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The dose of a chemical that kills 50% of a test population of a particular species under specified exposure conditions, usually reported in mg/kg

EIN-3.AEIN-3.A.1
Lethal Concentration 50% (LC50)
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The concentration of a substance in air, water, or another medium that kills 50% of a test population during a specified exposure period

EIN-3.A