food chain youtube lecture handouts

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  • 7/26/2019 Food Chain Youtube Lecture Handouts

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    Food Chain Food WebEcological Pyramids

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Contents

    Food chain

    Trophic levels

    Types of food chains

    Food webSignificance of food web

    Ecological pyramids

    Disadvantages of ecological pyramids

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    www.examrace.co

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    Food Chain

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Steps Of Food ChainsVisit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

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    Trophic LevelsTrophic

    Level 3

    (Carnivores)

    Trophic Level 2

    (Herbivores)

    Trophic Level 1

    (Autotrophs)

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Types Of Food ChainGrazing food chain

    Detritus food chain

    Parasitic food chain

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

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    Food WebVisit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Significance Of Food WebMaintain the ecological balance

    Feeding relations among organisms

    Energy flow and nutrient cyclingAlternate source of food

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

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    Ecological PyramidsPyramid of NumberPyramid of Biomass

    Pyramid of Energy

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Pyramid Of Number

    Lion

    Goat

    Plant

    Hyperparasite

    Parasite

    Birds

    Tree

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

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    Pyramid Of Number

    Large sized Trees

    Birds, Elephant

    Rabbit etc.

    Lion , Tiger

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Pyramid of Biomass

    Lion

    Goat

    Plant

    Large fishes

    Small fishes

    Zooplankton

    Grassland

    ecosystem

    Aquatic Ecosystem

    Phytoplankton

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

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    Pyramid of Energy

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    Disadvantages Of Ecological Pyramids Only indicates food chain

    Decomposers

    Single Organisms different trophic levels

    Visit video at Youtube Examrace Channel https://www.youtube.com/watch?v=kol_k6gNZmQ

    www.examrace.co