Skip to main content
We’re so back.
See what’s new for the 2026-2027 school year →
The new Teacher Workspace is here. Your first 3 assignments are free.
Try it →
students
teachers
pricing
search study guides, key terms, practice…
⌘K
free diagnostic
upgrade
search study guides, key terms, practice…
⌘K
diagnostic
upgrade
All Key Terms
AP Environmental Science
Unit 1
🏜
AP Environmental Science Unit 1 Vocabulary
100 essential vocabulary terms and definitions for Unit 1 – The Living World: Ecosystems
Study Unit 1 →
Practice Vocabulary
Export Unit Terms
copy for
🏜
Unit 1 – The Living World: Ecosystems
Topics
1.1 Introduction to Ecosystems
1.2 Terrestrial Biomes
1.3 Aquatic Biomes
1.4 The Carbon Cycle
1.5 The Nitrogen Cycle
1.6 The Phosphorous Cycle
1.7 The Hydrologic Cycle
1.8 Primary Productivity
1.9 Trophic Levels
1.10 Energy Flow and the 10% Rule
1.11 Food Chains and Food Webs
← All AP Environmental Science Units