symbiotic relationships

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Symbiotic Relationship
Close relationship between two organisms, two species related/interacting in environment. There are 5 types of symbiotic relationships.
Mutualism
Both species benefit
EX: Bird cleans alligator's mouth
Commensalism
One species benefits, the other is not affected
EX: Bats (none)and cockroaches(home) in the cave
Parasitism
One species benefits, the other is harmed
EX: Flea (benefits) sucks blood from a dog (harmed)
Competition
Species compete against one another for survival (food, land, shelter, mates)
EX: Two different species of fish in a tank, the stronger one will one
Predation
One animal, hunting, killing and eating another for survival
EX: Lion (predator) eats a deer (prey)