Community Interactions

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Presentation transcript:

Community Interactions

Sharks & Turtles

Predation An interaction in which one organism captures and feeds on another organism Predator? Prey?

Competition Occurs when organisms of the same or different species attempt to use an ecological resource in the same place at the same time Resource-any necessity of life Leopard's Competition

Symbiosis Any relationship in which two species live closely together Types: 1. Parasitism 2. Mutualism 3. Commensalism

Paddlefish Parasites

Parasitism One organism lives on or inside another organism and harms it Parasite? Host?

Amazing Symbiosis: Ant Army Defends Tree

Mutualism Both species benefit from the relationship

Unlikely Travel Companions

Commensalism One member of the association benefits and the other is neither helped nor harmed

Symbiosis Any relationship in which two species live closely together Types: 1. Parasitism - One benefits, other harmed 2. Mutualism - Both benefit 3. Commensalism - One benefits, other neither helped nor harmed

What kind of symbiosis?

Lichens???