[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"detail-sidebar-cat-0-en-105":3,"doc-seo-311397-105":59,"doc-detail-311397-en":131},{"code":4,"msg":5,"data":6},0,"success",[7,13,18,23,28,33,38,43,48,51,55],{"id":8,"doc_module":4,"doc_module_name":9,"category_name":10,"show_sort_weight":11,"slug":12},1,"Document","Story & Novel",90,"story-novel",{"id":14,"doc_module":4,"doc_module_name":9,"category_name":15,"show_sort_weight":16,"slug":17},2,"Literature",80,"literature",{"id":19,"doc_module":4,"doc_module_name":9,"category_name":20,"show_sort_weight":21,"slug":22},4,"Exam",70,"exam",{"id":24,"doc_module":4,"doc_module_name":9,"category_name":25,"show_sort_weight":26,"slug":27},5,"Comic",60,"comic",{"id":29,"doc_module":4,"doc_module_name":9,"category_name":30,"show_sort_weight":31,"slug":32},6,"Technology",50,"technology",{"id":34,"doc_module":4,"doc_module_name":9,"category_name":35,"show_sort_weight":36,"slug":37},7,"Healthcare",40,"healthcare",{"id":39,"doc_module":4,"doc_module_name":9,"category_name":40,"show_sort_weight":41,"slug":42},8,"Research & Report",30,"research-report",{"id":44,"doc_module":4,"doc_module_name":9,"category_name":45,"show_sort_weight":46,"slug":47},9,"Religion & Spirituality",20,"religion-spirituality",{"id":46,"doc_module":4,"doc_module_name":9,"category_name":49,"show_sort_weight":46,"slug":50},"World Cup","world-cup",{"id":52,"doc_module":4,"doc_module_name":9,"category_name":53,"show_sort_weight":52,"slug":54},10,"Lifestyle","lifestyle",{"id":56,"doc_module":4,"doc_module_name":9,"category_name":57,"show_sort_weight":24,"slug":58},19,"General","general",{"code":4,"msg":60,"data":61},"ok",{"site_id":62,"language":63,"slug":64,"title":65,"keywords":66,"description":67,"schema_data":68,"social_meta":124,"head_meta":126,"extra_data":128,"updated_unix":130},105,"en","the-ultimate-ap-environmental-science-cheat-sheet","The Ultimate AP Environmental Science Cheat Sheet","","Study-ready AP Environmental Science quick guide covering major course units and high-frequency concepts, including biomes and aquatic zones, energy flow and succession, carbon and nutrient cycling, and food webs. Includes population growth models and key demographic metrics (r vs K strategies, exponential/logistic growth, DTM stages, TFR and age-structure interpretation). Also summarizes plate tectonics, soil formation and horizons, weather vs climate, atmospheric layers, seasonal drivers and jet streams, plus water systems and watershed/aquifer basics. Resource management topics address tragedy of the commons, forestry and agriculture tradeoffs, ecological footprint, and key sustainability approaches.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":20,"@type":76,"position":81},"https://docshare.wps.com/document/exam/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/the-ultimate-ap-environmental-science-cheat-sheet/311397/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/the-ultimate-ap-environmental-science-cheat-sheet/311397.png","ImageObject",300,407,{"name":92,"@type":93},"Alex Sinclair","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-10-28","2026-09-20",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",13,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What are the main biogeochemical cycles covered, and what processes move nutrients between sources and sinks?","Question",{"text":113,"@type":114},"The sheet covers carbon cycling (photosynthesis/respiration/combustion) and nitrogen and phosphorus cycles, including key transformations like N2→NH3, nitrification, denitrification, and phosphorus movement from rock to soil/biota/sediment. It also highlights sources vs sinks using the listed steps for each cycle.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"How do exponential and logistic population growth models differ?",{"text":118,"@type":114},"Exponential growth uses N = N0λ^ and emphasizes rapid increase without limits. Logistic growth models population size toward carrying capacity K using Nt = K/(1 + e^(-rt)), reflecting density-related limits as resources become constrained.",{"name":120,"@type":111,"acceptedAnswer":121},"What soil horizon order and weathering types are emphasized for interpreting fertility?",{"text":122,"@type":114},"The document lists soil horizons as O → A → E → B → C → R, with E as leached (eluviation) and B as accumulation (illuviation). It also distinguishes physical weathering (frost wedging, abrasion) from chemical weathering (oxidation, hydrolysis, acid dissolution) and connects soil texture and horizon processes to drainage and fertility.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},311397,1789894242,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":19,"category_name":20,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":8,"language":140,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":141,"faqs":142,"seo_title":143,"seo_description":67,"update_tm":130,"read_time":81,"preview_page_count":4},1099523882182,"https://ap-avatar.wpscdn.com/davatar_6f874abed73319feea01a86fa6f0fab8","[The Ultimate AP Environmental Science Cheat Sheet](The Ultimate AP Environmental Science Cheat Sheet www.albert.io)[ www.albert.io](The Ultimate AP Environmental Science Cheat Sheet www.albert.io)  \nLiving World (12–16%) Populations (10–15%) Earth Systems & Resources (10–15%) Land & Water Use (10–15%)  \n\n| \u003Cbr>Biomes & Aquatic Zones Terrestrial: Tundra (\u003C10\" rain, permafrost), Taiga (conifer,-10–0°C), Temperate forest (20–60\" rain), Grassland (10– 30\" rain), Desert (\u003C10\"), Rainforest (>80\" rain) | Aquatic: Freshwater (lakes, rivers, wetlands), Marine (ocean) . Zones: Photic (light), Aphotic (dark), Benthic (bottom), Pelagic (water), Littoral (shallow)\u003Cbr>Cycle Carbon\u003Cbr>Path\u003Cbr>Photosyn → resp. , combustion → CO₂\u003Cbr>Limiting Step Decompositio rate Nitrogen N₂ → NH₃ → NO₃⁻ → N₂ N-fixation Phosphorus Rock → soil → biota → sediment Weathering Water Evap. →precip. →runoff →ocean Precipitation Biogeochemistry & Food Webs N-fixation: Bacteria convert N₂ → NH₃ (root nodules, freeliving, cyanobacteria) . Nitrification: NH₃ → NO₂⁻ → NO₃⁻. Denitrification: NO₃⁻ → N₂ (anaerobic) . C sinks: Soil, oceans, forests. C sources: Combustion, respiration.\u003Cbr>Food chain: Linear (grass → hopper → bird) . Food web: Multiple interconnected paths. Keystone species:\u003Cbr>Disproportionate importance (sea otter, prairie dog) . Indicator species: Health signals (lichens, trout) .\u003Cbr>Energy & Succession\u003Cbr>10% Law: ~10% energy/level (90% heat loss) . GPP − respiration = NPP. Primary succession: Bare rock → pioneer → climax (100+ yr) . Secondary: Soil exists, \u003C50 yr Island biogeography: Species ↑ w/ size, ↓ w/ distance.\u003Cbr>Disruptions: Invasive spp. , fire, deforestation.\u003Cbr>⚠ Primary = bare rock/moraine. Secondary = soil present. Succession: pioneer → early → mid → climax.✓ Biogeochem cycles (sources/sinks), trophic pyramids, food chains vs webs, succession stages,\u003Cbr>keystone/indicator spp. , biodiversity drivers\u003Cbr>Life History Strategies Generalist: Broad diet/habitat (raccoon) . Specialist: Narrow niche (panda) . r-selected: High fecundity, short life, high mortality (insects) . K-selected: Low fecundity, long life, stable pop (mammals) . Survivorship: I (low early death—K), II (constant), III (high early death—r)\u003Cbr>Survivorship curves: I (humans/elephants), II (birds/rodents), III (oysters/fish) .\u003Cbr>Model Formula Meaning\u003Cbr>Exponential N = N₀λ^ Biotic potential Logistic N_t = K/(1 + e^ -rt) Carrying capacity K Doubling time t_d ≈ 0.69/r Population doubling period PGR (B − D)/Pop % growth/year\u003Cbr>Malthus: Pop grows geometric, food arithmetic. Rule of\u003Cbr>70: Doubling time = 70 ÷ growth rate % . Density\u003Cbr>dependent limits: Disease, competition, predation.\u003Cbr>Density-independent: Weather, disaster.\u003Cbr>Age structure diagram: Pyramid shape indicates growth (wide base) or decline (narrow) . Expanding (triangle) = ↑ growth, Stable (rectangle) = ↓ growth, Declining (inverted)= negative. Population momentum: Continued growth from reproductive-age cohort entering childbearing years. TFR: Total fertility rate (avg. children/woman), 2.1 = replacement level. DTM: Stage 1 (high birth/death), Stage 2 (↓ death, boom), Stage 3 (↓ birth), Stage 4 (low, stable) . Developed countries: Low TFR, aging. Developing: High TFR, young population.\u003Cbr>✓ Always show math work on population growth calculations. Include units and show intermediate steps for doubling time, PGR, and Rule of 70.\u003Cbr>⚠ r vs K strategies, exponential vs logistic growth curves, DTM stages, TFR & age structure interpretation\u003Cbr>Plate Tectonics & Soil Plate boundaries: Convergent (volcanoes, mountains), Divergent (ridges, spreading), Transform (earthquakes) . Weathering—Physical: Frost wedging, abrasion (no chem change) . Weathering—Chemical: Oxidation, hydrolysis, acid dissolution. Soil horizons O →A →E →B →C →R: E = leached (eluviation), B = accumulation (illuviation) .\u003Cbr>Soil texture: Sand (fast drain), Silt (medium), Clay (slow drain, fertile) . Porosity: % pore space. Permeability: Water movement rat","cbCaihBV8ppFWJuj","https://ap.wps.com/l/cbCaihBV8ppFWJuj","pdf",80072,"English","# Biomes & Aquatic Zones\n## Carbon Cycle and Biogeochemistry\n## Food Webs, Keystone/Indicator Species\n## Energy Flow and Succession\n\n# Life History, Survivorship, and Population Models\n## Exponential vs Logistic Growth\n## Density Dependence and Age Structure\n\n# Plate Tectonics, Soil Formation, and Atmosphere\n## Weathering and Soil Horizons\n## Soil Texture and Hydrology\n## Atmospheric Layers and Climate Systems\n\n# Resources, Agriculture, and Sustainability\n## Tragedy of the Commons and Forestry\n## Ecological Footprint and Green Revolution\n## Irrigation, Aquaculture, and IPM","[{\"question\":\"What are the main biogeochemical cycles covered, and what processes move nutrients between sources and sinks?\",\"answer\":\"The sheet covers carbon cycling (photosynthesis/respiration/combustion) and nitrogen and phosphorus cycles, including key transformations like N2→NH3, nitrification, denitrification, and phosphorus movement from rock to soil/biota/sediment. It also highlights sources vs sinks using the listed steps for each cycle.\"},{\"question\":\"How do exponential and logistic population growth models differ?\",\"answer\":\"Exponential growth uses N = N0λ^ and emphasizes rapid increase without limits. Logistic growth models population size toward carrying capacity K using Nt = K/(1 + e^(-rt)), reflecting density-related limits as resources become constrained.\"},{\"question\":\"What soil horizon order and weathering types are emphasized for interpreting fertility?\",\"answer\":\"The document lists soil horizons as O → A → E → B → C → R, with E as leached (eluviation) and B as accumulation (illuviation). It also distinguishes physical weathering (frost wedging, abrasion) from chemical weathering (oxidation, hydrolysis, acid dissolution) and connects soil texture and horizon processes to drainage and fertility.\"}]","The Ultimate AP Environmental Science Cheat Sheet | PDF"]