Ecological Relationships

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Presentation transcript:

Ecological Relationships

What are the types of ecological relationships? Predator / Prey Competition Cooperation Symbiosis Commensalism Mutualism Parasitism

Predator / Prey Predator = animal that hunts another animal for food. Prey = animal that is eaten by another. Predator / Prey populations will change in response to each other’s population.

Predator / Prey

Competition …when 2 organisms or species have the same niche they will compete for resources. The “loser” will either have to leave, get another niche, or will eventually die out.

Cooperation/Neutralism Organisms working together to benefit the ecosystem Example: A bee pollinating a flower, & in return, the flower provides the bee nectar for food.

Symbiosis …the relationship between different species living in close association with one another with at least one organism being benefitted. There are 3 types of symbiotic relationships.

A) Mutualism …both organisms benefit. ex: clown fish & sea anemone

Mutualism

B) Commensalism …one organism benefits, the other isn’t helped or harmed. ex: Whales & Barnacles

Commensalism

C) Parasitism …one organism benefits (parasite), the other is harmed (host) EX: tapeworms, pinworms, ticks, etc…

Parasitism

BrainPOP - Symbiosis