Relationships within Ecosystems

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Presentation transcript:

Relationships within Ecosystems The who, what, where, when, why of it all.

Niche The unique role a species has within an ecosystem. (Dung Beetle) African Dung Beetle - YouTube

Habitat Where an organism generally lives within an ecosystem. http://www.youtube.com/watch?v=PNgGBemdnuw

Competition When species attempt to use the same resources. Food Water Shelter http://www.youtube.com/watch?v=H-wCX5R8NXM&feature=related

Different types of competition Interspecies - 2 or more different species competing for resources. Ex lion vs. hyena http://www.youtube.com/watch?v=x49NwjnwDUw

Intraspecies http://www.youtube.com/watch?v=2vZLmGudqPE 2 of the same species fighting over resources Ex. lion vs. lion

Predation A Predator vs. prey relationship. Predator eats the prey. The prey is the food for the predator. http://www.youtube.com/watch?v=6hGuallLPcM

Parasitism The parasite takes nourishment from the host. The host is harmed in the relationship, often weakened and exposed to disease. http://www.youtube.com/watch?v=02Tlzapl8ig

Mutualism Each organism benefits in the relationship. The acacia tree and ants - Tree provides food and shelter Ant provides protection from predators http://www.youtube.com/watch?v=Xm2qdxVVRm4

Commensalism One organism benefits and the other is indifferent or unharmed. Whale shark and remora fish. http://www.youtube.com/watch?v=e4xrdeagyYM

Symbiosis A relationship in which two different organisms live in close association with each other.

Mimicry Acting or looking like another more dangerous animal.

Question #1 What does a parasite get from its host? nourishment

Question #2 Why is it beneficial for the parasite to let its host live? It then receives an unlimited supply of food and a place to live.

Question #3 What is the name of the relationship when species A benefits and species B is killed. Predation

Question #4 What is the name of the relationship when species A and B positively affect each other? Mutualism

Question #5 What is the name of the relationship when species A and species B negatively affect each other? Competition

Question #6 What is the name of the relationship when species A benefits and species B is unaffected? Commensalism

Question #7 What is the name of the relationship when species A benefits and species B is harmed but not killed? parasitism

Question #8 What is the relationship? Lion and antelope Whale shark and remora fish Tapeworm and humans A bee pollinating a flower and drink the nectar as well All the animals at a watering hole Predation Commensalism Parasitism Mutualism Competition