Ecosystem Components and Interactions

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Presentation transcript:

Ecosystem Components and Interactions

Ecosystem Components Biotic factors: Abiotic factors:

Ecosystem Components Biotic factors: Abiotic factors: Living components Examples: Plants, animals, fungi, bacteria Abiotic factors: Non-living components Examples: Rocks, water, air temperature, nutrients

Ecosystem Components Habitat Area where an organism lives Example: The African Savannah

Ecosystem Components Niche ALL of the physical and biological conditions the organism needs The way the organism interacts with and uses its habitat

Community Interactions 1. Competition: Occurs when organisms attempt to use the same resources in the same place at the same time Only occurs when resources are limited! https://www.youtube.com/watch?v=FFEzp2cjkmw

Community Interactions 2. Predation: Occurs when one organism captures and eats another. http://www.youtube.com/watch?v=zbwrtWX0nx0

Community Interactions 3. Symbiosis: Relationship in which two species live closely together and directly interact. Four types…Can be good or bad… https://www.youtube.com/watch?v=zSmL2F1t81Q

Types of Symbiosis A. Mutualism: Type of symbiosis Both species benefit Examples: Cleaner fish + sharks Bees and flowers http://www.youtube.com/watch?v=Qqa0OPbdvjw

Types of Symbiosis B. Commensalism: Type of symbiosis One species benefits, the other is neither helped nor harmed

Types of Symbiosis C. Amensalism: Type of symbiosis One species is harmed, the other is neither helped nor harmed Example: Mold that produces a substance that kills bacteria but does nothing for the mold

Types of Symbiosis D. Parasitism: Type of symbiosis One species benefits by living in or on another, and the other species is harmed. https://www.youtube.com/watch?v=327-bwMQI-Y&feature=youtu.be https://www.youtube.com/watch?v=lGSUU3E9ZoM http://www.youtube.com/watch?v=vMG-LWyNcAs

Because parasites are so interesting! A human perspective… https://www.youtube.com/watch?v=PV4rowSN_AQ