Unit 5 lesson 3 early northern and central african societies power point
Lesson 2.2. ecology
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17. Summary of symbiotic relationships Relationship Description Harmful vs helpful Example Predator & prey One animal eats another One is helped one is killed Cat eating a mouse Parasitism One animals feeds off another One is helped one is drained of resources or killed Tick living off a deer Commensalism One species benefits from another One is helped one is not phased Barnacles and a whale Mutualism Both rely on each other Both are helped Flower and insect