Symbiotic Relationships (Species Interactions)

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Presentation transcript:

Symbiotic Relationships (Species Interactions) Living Environment

1. Predation One organism kills and eats another Predator – the eater Prey – the eaten +/- Ex: lions feed on zebra

2. Competition Occurs when more than one species used the same limited resource -/- Ex: lions and hyenas eat the same prey or a maple tree and grass competing for nutrients

3. Parasitism One organism lives on another causing harm Host – organism being lived on Parasite – organism causing the harm +/- Ex: ticks, fleas, tapeworms

4. Mutualism Both organisms benefit from the relationship +/+ Ex: intestinal bacteria in humans, oxpeckers on zebras

5. Commensalism One organisms benefits and the other is not affected +/0 Ex: remora fish and shark

CFU Name and describe one symbiotic relationship and give an example not discussed in class.