4 Literal definition: the act of living together What is symbiosis?Literal definition: the act of living togetherWhat it means:Two organisms that live togetherTemporarily or for a longer timeAt least one of the organisms benefits from the relationship
5 What are the different kinds of symbiosis? MutualismCommensalismParasitismboth organisms benefitone organism benefitsone organism benefitsone organism is unaffectedone organism is harmed
7 Parasitism: one benefits, one is harmed Example 1: Acacia plant with ant gallsAnts lay eggs on acacia tree Acacia covers the infected area with brown flesh (gall)Parasitism: one benefits, one is harmed
8 Mutualism: both benefit Example 2: Moray Eel with Cleaner FishMoray Eel gets a clean mouth Cleaner Fish gets a mealMutualism: both benefit
9 Commensalism: one benefits, one is unaffected Example 3: Cattle with cattle egretsCattle stir up insects as they eat grass Egrets hang around and eat insectsCommensalism: one benefits, one is unaffected
10 Commensalism: one benefits, one is unaffected Example 4: Clown fish with anemoneClown fish gets protection Anemone is unaffectedCommensalism: one benefits, one is unaffected
11 Mutualism: both benefit Example 5: Antelope with OxbirdAntelope gets rid of parasites Oxbird gets a mealMutualism: both benefit
12 Parasitism: one benefits, one is harmed Example 6: Taenia worm in human eyeWorm infects human blood stream Human may go blindParasitism: one benefits, one is harmed
13 What is Symbiosis?Two organisms that live together and at least one organism benefits from the relationship.
14 What are the 3 different kinds of symbiosis? Mutualism – Both organisms benefitCommensalism – One benefits and the other is unaffectedParasitism – One benefits and the other is harmed
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