Unit 1: Ecosystems

Eleven topics, each with a photo challenge, a lab, and a quick check. Do them in any order.

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Studying for the Unit 1 test?15-question mixed practice test and flashcards. Shows which topics to review.Start →

All nine units Units 2 to 9 are in progress.

Live nowUnit 1The Living World: Ecosystems
In progressUnit 2The Living World: Biodiversity
In progressUnit 3Populations
In progressUnit 4Earth Systems and Resources
In progressUnit 5Land and Water Use
In progressUnit 6Energy Resources and Consumption
In progressUnit 7Atmospheric Pollution
In progressUnit 8Aquatic and Terrestrial Pollution
In progressUnit 9Global Change

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Teaching AP Environmental Science?

The Green Flask Science™ full-year APES bundle covers all nine units with slides, guided notes, original activities, simulations, and quiz and test banks.