Relationships in Ecosystems. Populations All of the same species in an ecosystem www.nkf-mt.org.uk www.intrasystems.gr.

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Presentation transcript:

Relationships in Ecosystems

Populations All of the same species in an ecosystem

Competition All living things compete for –Food –Space Competition limits population growth

Limiting Factors Anything that restricts or controls the number of individuals in a population

Carrying Capacity The largest number of individuals of one species an ecosystem can support

Symbiosis Any close relationship between species en.wikipedia.org

Mutualism A relationship in which both species benefit Cleaner fish Pollination Lichens: algae + fungus www4.tpgi.com.au

Commensalism A relationship in which one species benefits and the other is neither helped nor harmed Barnacles on whale Shark & remora

Parasitism A relationship in which one organisms benefits and the other is harmed Tick Mistletoe

Predator - Prey Predators are consumers that capture and eat other consumers, called prey

Cooperation Organisms working together toward a common end or purpose om.msu.edu