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5 types of interactions

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dylan steel

on 8 January 2013

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Transcript of 5 types of interactions

photo credit Nasa / Goddard Space Flight Center / Reto Stöckli 5 types of symbiotic relations How Species interact Intro Interactions between species are categorized at the level where one population interacts with another Competition Competition is a relationship in which individuals
or populations attempt to use the same limited resource Predation An organism that feed's on another organism is called a predator and the organism that is fed upon is the prey. This interaction is called Predation Mutualism A close relationship between two species in which each species provides a benefit to the other Commensalism A relationship in which one species benefits and the other species is neither harmed or helped Coevolution A relationship in which two organisms live in close association is called symbiosis The five major types of species interactions include
competition, predation, parasitism, mutualism,and
commensalism These categories are based on whether each species
causes benefit or harm to the other species in a given
relationship Parasitism An organism that lives in or on another organism and feeds on the other organism is a parasite The relationship between the parasite and it's host is called parasitism Orchids depend on fungi called mycorrhizae because the fungi grows partly on the root and provides the plant with nutrients while the fungi consume the food created from photosynthesis A type of fish called Remoras attach themselves to sharks and feed on their leftovers Overtime species in close relationships coevolve. These species may evolve adaptations that reduce the harm or improve the benefit of the relationship References http://www2.mcdaniel.edu/Biology/eco/mut/mutualism.html http://www.eoearth.org/article/Predationhttp://www.sciencedaily.com/articles/p/parasitism.htm Holt Environmental Science, Karen Arms, Savannah, Georgia Squirlles and chipmunks fight over the same resources Owls hunting mice is an example of predation An example would be fleas and dogs
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