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COOPERATIVE INTERRELATOINSHIPS IN MISSOURI FORESTS PowerPoint PPT Presentation


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COOPERATIVE INTERRELATOINSHIPS IN MISSOURI FORESTS. ECOSYSTEM. All the organisms and the non-living environment within a defined area. DESERT. LAKE. COMMUNITY. Consists of all the interacting animal populations within an ecosystem. FOOD WEB.

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COOPERATIVE INTERRELATOINSHIPS IN MISSOURI FORESTS

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COOPERATIVE INTERRELATOINSHIPS IN MISSOURI FORESTS


ECOSYSTEM

  • All the organisms and the non-living environment within a defined area


DESERT


LAKE


COMMUNITY

  • Consists of all the interacting animal populations within an ecosystem.


FOOD WEB


MANY DIFFERENT COMMUNITIES EXIST IN A SINGLE FOREST


SYMBIOSIS

  • Two species living together in close association over an extended time. Also called “symbiotic relationships”


3 TYPES OF SYMBIOSIS

  • 1. PARISITISM

  • 2. COMMENSALISM

  • 3. MUTUALISM


PARISITISM

  • A symbiotic relationship where the organism lives in or on their host and does harm to their general well being, sometimes parasites are fatal.

  • The parasite benefits, the host does not.


ONE EXAMPLE OF PARISITISM

  • Ticks on a deer.


LEECHES


COMMENSALISM

  • A symbiotic relationship where one species benefits, the other is not affected positively or negatively.


ONE EXAMPLE OF COMMENSALISM

  • Birds nesting in a tree


Certain species of millipede and silverfish inhabit the nests of army ants and live by scavenging on the refuse of their hosts, but without affecting the ants.


MUTUALISM

  • A symbiotic relationship where both organisms benefit from the relationship.


ONE EXAMPLE OF MUTUALISM

  • Bees and flowers


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