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  3. AP Environmental Science CRAM – Unit 1: Living World

ap environmental science cram – unit 1: living world

originally streamed in 2019 with Joshua NielsenTeacher
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Review the key concepts from AP Environmental Science Unit 1: The Living World. This cram session walks through ecosystem relationships, biomes, biogeochemical cycles, energy flow, and trophic levels to help you prepare for your AP exam. You'll revi ...more

curriculum note

This video was recorded during the 2020 COVID exam period and references a modified exam format (45 minutes, 2 FRQs, open-note, covering only Units 1–7). The current AP Environmental Science exam format is different — check College Board for up-to-date exam details.

covered in this stream

units
Unit 1 – The Living World: Ecosystems
topics
1.1 Introduction to Ecosystems1.2 Terrestrial Biomes1.3 Aquatic Biomes1.4 The Carbon Cycle1.5 The Nitrogen Cycle1.6 The Phosphorous Cycle1.7 The Hydrologic Cycle1.8 Primary Productivity1.9 Trophic Levels1.10 Energy Flow and the 10% Rule1.11 Food Chains and Food Webs

timestamps

  • 0:00

    Welcome and Setup

  • 0:40

    Student Check-In

  • 1:44

    Instructor Qualifications

  • 2:47

    Grading Experience

  • 3:49

    Fun in Learning

  • 4:50

    Free Resources Overview

  • 5:55

    AP Test Changes

  • 7:00

    Units on Exam

  • 8:36

    Symbiosis Relationships

  • 10:44

    Species Competition

  • 13:20

    Resource Partitioning

  • 15:58

    Terrestrial Biomes

  • 18:34

    Biome Graph Analysis

  • 21:11

    Aquatic Biomes

  • 23:45

    Marine Ecosystems

  • 26:54

    Carbon Cycle

  • 29:28

    Nitrogen Cycle

  • 32:37

    Phosphorus Cycle

  • 34:09

    Eutrophication Effects

  • 36:51

    Water Cycle

  • 38:54

    Primary Productivity

  • 43:39

    Trophic Levels

  • 47:16

    10% Rule

  • 50:55

    Biomass and Energy

  • 53:29

    Food Webs and Chains

  • 58:39

    FRQ Tips

  • 1:04:21

    Session Closing

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Fiveable

Study Content & Tools

Study GuidesFRQs + AI ScoringAP Essay Grader for StudentsAI Grading for TeachersPractice QuestionsGlossaryScore Calculators

Company

What's New?PricingBulk DiscountsTestimonialsFAQsEmail us

Resources

AP Exam Schedule 2027AP ClassesAP ClassroomEasiest AP ClassesHardest AP ClassesAP vs IBAP vs Dual EnrollmentAP vs Honors ClassesAP Scholar Awards

history

🌎 ap world history🇺🇸 ap us history🇪🇺 ap european history

social science

✊🏿 ap african american studies🗳️ ap comparative government🚜 ap human geography💶 ap macroeconomics🤑 ap microeconomics🧠 ap psychology👩🏾‍⚖️ ap us government

english & capstone

✍🏽 ap english language📚 ap english literature🔍 ap research💬 ap seminar

arts

🎨 ap art & design🖼️ ap art history🎵 ap music theory

science

🧬 ap biology🧪 ap chemistry♻️ ap environmental science🎡 ap physics 1🧲 ap physics 2💡 ap physics c: e&m⚙️ ap physics c: mechanics

math & computer science

🧮 ap calculus ab♾️ ap calculus bc📐 ap precalculus📊 ap statistics💻 ap computer science a⌨️ ap computer science p

world languages

🇨🇳 ap chinese🇫🇷 ap french🇩🇪 ap german🇮🇹 ap italian🇯🇵 ap japanese🏛️ ap latin🇪🇸 ap spanish language💃🏽 ap spanish literature

go beyond AP

high school exams

✏️ PSAT🎓 Digital SAT🎒 ACT

honors classes

🍬 honors algebra II🫀 honors anatomy🐇 honors biology👩🏽‍🔬 honors chemistry💲 honors economics📐 honors geometry⚾️ honors physics📏 honors pre-calculus📊 honors statistics🗳️ honors us government🇺🇸 honors us history🌎 honors world history

college classes

👩🏽‍🎤 arts👔 business🎤 communications🏗️ engineering📓 humanities➗ math🧑🏽‍🔬 science💶 social science

hs classes

🏛️ alabama history⛰️ appalachian studies🌴 california history🌍 earth science🌐 ethnic studies🐊 florida history🍑 georgia history🌎 global studies🌺 hawaiian studies📰 journalism🪶 native american studies🌵 new mexico history🤠 oklahoma history⚗️ physical science🎙️ speech and debate🤝 texas government🤠 texas history🌲 washington state history🕊️ world religions
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© 2026 Fiveable Inc. All rights reserved.

AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.