WARM UP 9/10… Name the type of SYMBIOSIS

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WARM UP 9/10… Name the type of SYMBIOSIS 1. Fleas feed on the blood of the dogs The dog is physically weakened by the loss of blood. What type of symbiosis is this? 2. Remoras “hitch a ride” on sharks by attaching themselves. They feed on the scraps of the shark’s meal. What type of symbiosis is this? 3. Algae receive a place to live through their relationship with coral. The coral receives the extra food that the algae produce from photosynthesis. What type of symbiosis is this?

Relationships in Ecosystems

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

Competition All living things compete for Food Space Competition limits population growth www.opim.wharton.upenn.edu

Limiting Factors Anything that restricts or controls the number of individuals in a population www.bahamascommerce.com

Carrying Capacity The largest number of individuals of one species an ecosystem can support www.wwt.org.uk

Symbiosis Any close relationship between species en.wikipedia.org

Mutualism A relationship in which both species benefit Pollination www.biology.clc.uc.edu Cleaner fish Lichens: algae + fungus www.orn.mpg.de www4.tpgi.com.au

Commensalism A relationship in which one species benefits and the other is neither helped nor harmed Shark & remora Barnacles on whale www.community.webshots.com www.cbu.edu

Parasitism A relationship in which one organisms benefits and the other is harmed Mistletoe Tick www.wcosf.org www.oznet.ksu.edu

Predator - Prey Predators are consumers that capture and eat other consumers, called prey http://www.uga.edu

Cooperation Organisms working together toward a common end or purpose http://special.newsroom.msu.edu http://forger.ca/