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Monday, January 10, 2011

Mutualism, Commensalism, Parasitism, and Competitive Relationships in Lakes

Mutualism - In nearly all lakes across the world, algae and fungi work together to form communities called lichens.

yoho_np_lichen-12.jpg
A lichen community.
Commensalism - Many species of pondweed provide protection and shelter to numerous species of fish.

chara vulgaris - stonewort.jpg
A clear example of pondweed.
Parasitism - Icthyophirius multifilis, called "Ich", infects nearly all freshwater fish.

ICH1.JPG.jpg
The white dots are encrusted parasites.
Competitive relationship- Both freshwater snails and Anuran tadpoles feed on periphytic algae.

800px-Kaulquappen_Tadpole_3.JPG.jpg
Anuran tadpoles searching for food.
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30 comments:

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    1. AnonymousOctober 28, 2018 at 12:43 PM

      ?

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    2. UnknownNovember 15, 2018 at 1:12 PM

      you forgot preditation

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  2. AnonymousOctober 23, 2015 at 5:54 AM

    This comment has been removed by the author.

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  3. AnonymousOctober 23, 2015 at 5:54 AM

    nice

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  4. AnonymousNovember 13, 2015 at 8:43 AM

    I like fish

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    lel

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  8. UnknownDecember 4, 2016 at 3:47 PM

    this is good info i can now use this info to tell my science teacher

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    i ate your dog

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    goth i am

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  15. AnonymousApril 7, 2019 at 12:11 PM

    what is this comment

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  16. UnknownMarch 17, 2020 at 12:39 PM

    your comment is a comment

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  17. UnknownFebruary 9, 2021 at 5:18 PM

    fish are good bois

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