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ESS TOPIC 2 -THE ECOSYSTEM

TOPIC

Video Links

Topic 2.1

What is species?

• What Is A Species? :          https://www.youtube.com/watch?v=Z7Zd0smPeAg

• What is A Species? Can Humans Interbreed With Other Animals? :     https://www.youtube.com/watch?v=XDFDxPgHmJE

• Species :                               https://www.youtube.com/watch?v=Tmt4zrDK3dA

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What is habitat? 

• What Is a Habitat? | Science Video for Kids :                                        https://www.youtube.com/watch?v=CxrlEajA398

• What is Habitat? :                                                                                       https://www.youtube.com/watch?v=Ty3QIylVDWo

• Healthy human habitats: Howard Frumkin at TEDxRainier :            https://www.youtube.com/watch?v=UfmR0LPfBX8

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NICHE

• What Is A Niche? :                                                          https://www.youtube.com/watch?v=xIVixvcR4Jc

• Difference between habitat and niche - ecology :    https://www.youtube.com/watch?v=p8NdASl4jY4D

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COMPONENTS OF AN ECOSYSTEM

• Abiotic and Biotic Factors  :                                   https://www.youtube.com/watch?v=E1pp_7-yTN4

• What Is An Ecosystem? :                                        https://www.youtube.com/watch?v=aYmdrJWLQ4Y

• Rainforests 101 | National Geographic :               https://www.youtube.com/watch?v=3vijLre760w

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Scientific names of animals

• Scientific Name Binomial Nomenclature :           https://vimeo.com/275236957

• Binomial Nomenclature | Classification :             https://www.youtube.com/watch?v=eSAt_SnBK9k

• Binomial Nomenclature: A Brief History :            https://www.youtube.com/watch?v=fsDnGN5IDog

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Intraspecific competition

• What is INTRASPECIFIC COMPETITION?  :                    https://www.youtube.com/watch?v=LKT3D27WS6s

• What Are Interspecific & Intraspecific Interactions :     https://www.youtube.com/watch?v=DwR2zDR0

• What are interspecific and intraspecific interactions :  https://www.youtube.com/watch?v=R8T8KB6nJ-k

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Interspecific Competition

• What are interspecific and intraspecific interactions :  https://www.youtube.com/watch?v=R8T8KB6nJ-k

• What Are Interspecific & Intraspecific Interactions :     https://www.youtube.com/watch?v=DwR2zDR0

• Interspecific Competition :                                                  https://www.youtube.com/watch?v=57YTqz-H6_Y

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S and J population curves

• Species and populations- Population Changes :        https://www.youtube.com/watch?v=A_iinZKwG7M2.1

• Population growth :                                                         https://www.youtube.com/watch?v=XnaC9iOumVA

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CARRYING CAPACITY

• Ecological Carrying Capacity :                  https://www.youtube.com/watch?v=XV2-2Ym3IIc

• carrying capacity :                                       https://www.youtube.com/watch?v=TDfq1d8_o30

• Ecological Carrying Capacity-Biology:    https://www.youtube.com/watch?v=ozW7y-y6Ymw

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Sub-topic 2.2: Communities and ecosystems

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Photosynthesis

• What is Photosynthesis? :                      https://www.youtube.com/watch?v=38HvoBIIXrM

• Photosynthesis :                                       https://www.youtube.com/watch?v=D1Ymc311XS8

• Photosynthesis explained :                    https://www.youtube.com/watch?v=smGnrnqhCyQ

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What is Plant Respiration

• Respiration in Plants :                                 https://www.youtube.com/watch?v=xsJmOA-m3gM

• Explain respiration in plants :                   https://www.youtube.com/watch?v=rvrao5V89nE

• Learn About Respiration In Plants | Animated Fun Science for Kids | Respiration Facts :  https://www.youtube.com/watch?v=j2XLR638Acw

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What is Trophic levels?

• What Are Trophic Levels? | Ecology & Environment | Biology | FuseSchool :   https://www.youtube.com/watch?v=mCHdhXMFhcU

• Trophic Level Pyramid :                                        https://www.youtube.com/watch?v=nFwODCe8vYA

• Trophic Levels-Energy Flow in Ecosystems :    https://www.youtube.com/watch?v=T5XhbhqOL_c

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What is Food chain?

• Fabulous Food Chains: Crash Course Kids #7.1 :     https://www.youtube.com/watch?v=MuKs9o1s8h8

• What Is A Food Chain? | The Dr. Binocs Show | Educational Videos For Kids :  https://www.youtube.com/watch?v=YuO4WB4SwCg

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​The Food Chain

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What is food web?

• Food Webs: Crash Course Kids #21.2 :       https://www.youtube.com/watch?v=Vtb3I8Vzlfg

• Food Chains & Food Webs | Ecology & Environment | Biology | FuseSchool :     https://www.youtube.com/watch?v=2lqhJNgn_Wg

• Food Chain and Food Web in Eco-system | Environmental Science | Letstute :    https://www.youtube.com/watch?v=j78g5iRnYBM

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What is Ecological Pyramids?

• Ecological Pyramids | Ecology & Environment | Biology | FuseSchool :   https://www.youtube.com/watch?v=wGfOoRrICto

• Ecological Pyramid | Environmental Science | :          https://www.youtube.com/watch?v=VNYyU-e0ykQ

• Ecological Pyramids in Ecosystem | Food Pyramids | Environmental Science | Letstute : https://www.youtube.com/watch?v=rC8TwL49RFA

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Pyramids of numbers

• Ecology - Pyramids of Number and Biomass - GCSE Biology (9-1) :   https://www.youtube.com/watch?v=Qx0mz0rxe0k

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Pyramid of biomass

• Ecology - Pyramids of Number and Biomass - GCSE Biology (9-1) :   https://www.youtube.com/watch?v=Qx0mz0rxe0k

• Biology - BioMass Pyramids :    https://www.youtube.com/watch?v=59a-nfK5bD8

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GCSE Biology - Pyramids of Biomass #86

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Pyramids of Productivity

Energy Flow through Producers

• Energy flow in ecosystem :          https://www.youtube.com/watch?v=5jBV9vJmXZI

• Energy transfer in food chains :  https://www.youtube.com/watch?v=JZ5kN2Jiz50

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What is Biomagnification?

• Biomagnification :   https://www.youtube.com/watch?v=85I7oPWUuak

• What is BIOMAGNIFICATION? What does BIOMAGNIFICATION mean? BIOMAGNIFICATION meaning:  https://www.youtube.com/watch?v=ca1Zuv8BgeY

• Biomagnification :  https://vimeo.com/244146456

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Bioaccumulation

• What is BIOACCUMULATION & BIOACCUMULATION :    https://www.youtube.com/watch?v=0Kf8C9c6FzU

• B7.4 Bioaccumulation :      https://www.youtube.com/watch?v=N80av1SCugY

• Microplastic Bioaccumulation Infographic :     https://vimeo.com/452051237

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Sub-topic 2.3: Flows of energy and matter

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Biome Productivity

Primary Productivity

• Primary Productivity of Biomes :   https://study.com/academy/lesson/primary-productivity-of-biomes.html

• 1.8Primary Productivity :                 https://www.youtube.com/watch?v=R_yAgWgtsao

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ESS 2.3 GPP and NPP

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Gross Productivity on the Earth

• ESS 2.3 GPP and NPP :              https://www.youtube.com/watch?v=HgzY7d9cCbY

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Why in Open ocean NPP is low?

• Open System, Closed System, and Isolated System :   https://www.youtube.com/watch?v=TFP6SvWPOQc&t=27s

• Dissolved Oxygen :                                                             https://www.youtube.com/watch?v=oVW5LAzd7Ec

• Dissolved Oxygen: Water Quality Testing :                   https://www.youtube.com/watch?v=37e6N2MCPjo

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What is Productivity?

• What Is Productivity In Biology? :   https://www.youtube.com/watch?v=LmgKPM7kqpU

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What is GPP?

• ESS 2.3 GPP and NPP :       https://www.youtube.com/watch?v=HgzY7d9cCbY

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What is NPP?

• ESS 2.3 GPP and NPP :           https://www.youtube.com/watch?v=HgzY7d9cCbY

• Net Primary Productivity :    https://www.youtube.com/watch?v=cknS7G3Y2bQ

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How to measure the GROSS PRIMARY PRODUCTIVITY

• Calculating Primary Productivity (IB ESS Topic 2) :     https://www.youtube.com/watch?v=sCwiqlmGek8

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How to measure the primary productivity

• Calculating Primary Productivity (IB ESS Topic 2) :     https://www.youtube.com/watch?v=sCwiqlmGek8

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What is Net Productivity?

Carbon Cycle

• Carbon Cycle and Oxygen Cycle :                   https://www.youtube.com/watch?v=BuV5GQFz0gg

• Carbon cycle | Ecology | Khan Academy :     https://www.youtube.com/watch?v=_dYkByQ9Kmg

• The Global Carbon Cycle:                                 https://www.youtube.com/watch?v=aLuSi_6Ol8M

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Nitrogen Cycle

• Nitrogen Cycle :           https://www.youtube.com/watch?v=HOpRT8BRGtk

• Describe Nitrogen Cycle-Nitrogen cycle in simple terms :    https://www.youtube.com/watch?v=K5EOZenSSB8

• Nitrogen cycle | Ecology | Khan Academy :      https://www.youtube.com/watch?v=DsCMYyQ0NWU

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Nitrogen fixation

• NITROGEN FIXATION :       https://www.youtube.com/watch?v=9zNMpavpET8

• Nitrogen fixation | 9th Std | Biology | ICSE Board | Home Revise :     https://www.youtube.com/watch?v=8orY093d5JM

• Nitrogen Fixation :     https://www.youtube.com/watch?v=qzh7ZzJQJ84

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Nitrification

• What is Nitrification :                                             https://www.youtube.com/watch?v=ZFOGWsF7ziA

• Nitrification & Denitrification :                             https://www.youtube.com/watch?v=gF8rZVmuipw

• Nitrification: Definition, Cycle & Equation :       https://study.com/academy/lesson/nitrification-definition-cycle-equation.html

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Denitrification

• Nitrification & Denitrification :                            https://www.youtube.com/watch?v=gF8rZVmuipw

• Denitrification :                                                        https://www.youtube.com/watch?v=fynzJxbYA2I

• Denitrification: Definition & Explanation :        https://study.com/academy/lesson/denitrification-definition-lesson-quiz.html

2.4: Biomes, zonation and succession

Biomes

• Introduction to Biomes :                                       https://www.youtube.com/watch?v=hIy0ZlyPPDg

• What Is a Biome? - Definition & Types :            https://study.com/academy/lesson/what-is-a-biome-definition-types-quiz.html

• Study Jams - Biomes :                                            https://www.youtube.com/watch?v=91XG5v1b2zQ

• Factors affect the Biomes :                                   https://www.youtube.com/watch?v=OtMkIGDupG4

• Factors affecting distribution on BiomesFactors affecting distribution on Biomes :    https://www.youtube.com/watch?v=_qm-e26Q1-g

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Ocean currents and winds

• How do ocean currents work? - Jennifer Verduin :         https://www.youtube.com/watch?v=p4pWafuvdrY

• Ocean Currents :                                                                   https://www.youtube.com/watch?v=ygI1B7h2j_0

• waves and currents :                                                            https://www.youtube.com/watch?v=3qETXLc9mr8

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Types of Biomes

• List major biomes :       https://www.youtube.com/watch?v=lqxNQpajdpQ

• Biomes: Tundra, Taiga, Temperate Grassland, and Coastlines :    https://study.com/academy/lesson/biomes-tundra-taiga-temperate-grassland-and-coastlines.html

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Types of biomes

• Tropical Rainforest Biome :                          https://www.youtube.com/watch?v=4-Md1JpqmMc

• Rainforests 101 | National Geographic :     https://www.youtube.com/watch?v=3vijLre760w&t=20s

• Tropical Rainforest - Secrets of World Climate, Episode 1 :  https://www.youtube.com/watch?v=kw6DCp9xvWw

• The Tropical Rainforest Biome Facts :        https://www.youtube.com/watch?v=FK_j4BtX3So

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Deserts Biome

• Desert Biome Facts :                               https://www.youtube.com/watch?v=l3iqOBaCsMs

• Deserts 101 | National Geographic :     https://www.youtube.com/watch?v=n4crvs-KTBw

• Desert Biome: Informational Video :   https://www.youtube.com/watch?v=Uw_RLVv1Bt4

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Temperate grasslands

• Temperate Grasslands-Biomes of the World :      https://www.youtube.com/watch?v=I0zeAMkCFpY

• Temperate Grasslands :                                            https://www.youtube.com/watch?v=9FM7TXwgVsI

• Temperate Grassland Biome:                                  https://study.com/academy/lesson/temperate-grassland-biome-climate-plants-animals-locations.html

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Artic Biome

• Arctic Tundra :                         https://www.youtube.com/watch?v=gUw2N2RbBkM

• Arctic | Exploring Oceans :    https://www.youtube.com/watch?v=umAeFKF2uxA

• Arctic Food Chain :                 https://study.com/academy/lesson/arctic-food-chain.html

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Deep ocean Biome

• Overview | Exploring Oceans :                                               https://www.youtube.com/watch?v=3GRA7ilM708

• Oceans 101 | National Geographic :                                      https://www.youtube.com/watch?v=MfWyzrkFkg8

• Deep ocean mysteries and wonders - David Gallo :          https://www.youtube.com/watch?v=Uqly8ERIkHM

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what is succession

• Succession :                                                                     https://www.youtube.com/watch?v=9kkWxUgMHfA

• Ecological Succession-Primary and Secondary :     https://www.youtube.com/watch?v=8ceDE01iWLE

• What Is Ecological Succession? :                                https://study.com/academy/lesson/what-is-ecological-succession-definition-types-stages.html

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Two types of Succession

• What Is Ecological Succession? :               https://study.com/academy/lesson/what-is-ecological-succession-definition-types-stages.html

• Ecological Succession: Change is Good :  https://www.youtube.com/watch?v=jZKIHe2LDP8

• Primary and Secondary Succession :         https://www.youtube.com/watch?v=YxuttSOtqNE

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CLIMAX COMMUNITY

• Climax Communities | Biology | Ecology :           https://www.youtube.com/watch?v=iZA5yfrzLV8

• What is the CLIMAX COMMUNITY? :                 https://www.youtube.com/watch?v=VQ0PVZqqCDw

• A Climax Community :                                            https://www.youtube.com/watch?v=9va0d4OcJeo

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Zonation

• 2.4 Zonation and succession :                              https://www.youtube.com/watch?v=zLTw5VbGtf4

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Environmental gradient

• What is the ENVIRONMENTAL GRADIENT? : https://www.youtube.com/watch?v=ceD5UVlk_zg

r-strategists & K-strategists Species

• r and K selection | Ecology :            https://www.youtube.com/watch?v=NSGWfXO0-8o

• r and K-selected Species :                https://www.youtube.com/watch?v=oNgBJSUVwSg

• K-Selected Species: Definition & Examples :    https://study.com/academy/lesson/k-selected-species-definition-examples-quiz.html

• R-Selected Species: Examples & Definition :    https://study.com/academy/lesson/r-selected-species-examples-definition-quiz.html

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The impact of human activities on succession

• Ecological Succession (Human impact On Earth) :        https://www.youtube.com/watch?v=ZSK4HmFIJ50

• 5 Human Impacts on the Environment :                          https://www.youtube.com/watch?v=5eTCZ9L834s

• Human impacts on Biodiversity :                                       https://www.youtube.com/watch?v=wXJiHr8jWBs

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Sub-topic 2.5: Investigating ecosystems

• Dichotomous Key :                          https://www.youtube.com/watch?v=M51AKJqx-7s

• Making a dichotomous key :         https://www.youtube.com/watch?v=ghlUUodEFog

• DICHOTOMOUS KEY :                   https://www.youtube.com/watch?v=kxUxWO148N8

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MEASURING THE ABIOTIC FACTORS

• Abiotic factors :                                                              https://www.youtube.com/watch?v=q5_nPgCL1Ys

• GCSE Biology - Biotic and Abiotic Factors #59 :      https://www.youtube.com/watch?v=0mjafH5pVLA

• Measuring Abiotic Factors :                                         https://www.youtube.com/watch?v=UBoNehQwuf0

Quadrats Method

• Quadrat sampling and population dispersion :     https://www.youtube.com/watch?v=mDMOIpXVbVM

• What Is Environmental Sampling?  :                       https://www.youtube.com/watch?v=HLX76gdXgTA

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Capture/Mark/Release/Recapture (Lincoln Index)

• What is LINCOLN INDEX? :            https://www.youtube.com/watch?v=SXKcByr1lCU

• G.5.3 The Lincoln Index :                  https://www.youtube.com/watch?v=Gj2wa1ndGes

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ESS TOPIC 3 -THE ECOSYSTEM

3.1 An introduction to biodiversity 

• What is Biodiversity?     :        https://www.youtube.com/watch?v=aqtdaIkxnQo

                                                             https://www.youtube.com/watch?v=bk2nnDI68g

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• Benefits of biodiversity  :        https://www.youtube.com/watch?v=GK_vRtHJZu4

                                                             https://www.youtube.com/watch?v=O7PPd_0a9Mw

                                                             https://www.youtube.com/watch?v=kHhspf5IfdE (learning to protect biodiversity)

• Species Diversity            : 

• Species richness, Evenness & Diversity   :         

• What is Genetic Diversity?    :    https://www.youtue.com/watch?v=bQ00-ycUv2g​

• What is Intrinsic value?        :   https://www.youtube.com/watch?v=DR42xdsLWkc