SYMBIOSIS NOTES. Relationships among organisms in a community: Predation  One population (predator) captures and feeds upon another population (prey)

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Presentation transcript:

SYMBIOSIS NOTES

Relationships among organisms in a community: Predation  One population (predator) captures and feeds upon another population (prey) Competition  Two populations struggle for the same resource Symbiosis  When one species lives in close association with another species over a period of time

3 TYPES OF SYMBIOSIS

MUTUALISM  Relationship in which both species benefit

MUTUALISM Ex. Honeybees/ Flowers

MUTUALISM Ex. Ostrich/ Gazelle

PARASITISM  Relationship where one species is helped and the other is harmed

PARASITISM Ex. Dogs/Ticks

PARASITISM Ex. Mistletoe/ Spruce Tree

COMMENSALISM  Relationship in which one species benefits and the other is neither harmed nor helped

COMMENSALISM  Ex. Whale/Barnacle

COMMENSALISM Ex. Hermit Crab/ Snail Shell