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Interactions Among Living Things

This presentation introduces the major kinds of interactions among organisms in an ecosystem.

Jenn Davis

on 8 November 2011

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Transcript of Interactions Among Living Things

Interactions Among
Living Things by Jenn Davis EDIM: 508 This presentation was designed for 5th graders as a tool to review students' understanding of interactions between organisms & introduce symbiosis. It is intended to give students a variety of visual representations of each interaction. It was designed for the purpose of a whole class lesson. This presentation will address:
IL State Learning Standard:12B
Students who meet the standard know and apply concepts that describe how living things interact with each other and with their environment. Illinois recently adopted the Common Core State Standards, but the science standards have yet to be released to the public, so until then I am utilizing the Illinois State Learning Standards. Competition What comes to mind when you think of competition? Well, other organisms experience competition as well. What do you think organisms
would compete for...? Food water space light &
Moisture Predation What played the role of the predator?
What played the role of the prey?
Was there another type of interaction that took place?
Really think about the outcome. ...is the interaction in which one organism kills another for food. predator prey predator: organism that does the killing (Canadian lynx)
prey: organism that is killed (Snowshoe hare) who is playing the role of the predator? the prey?
what is so unexpected about this interaction? ...is the close relationship between two species that benefits at least one of the species. Symbiosis Mutualism Commensalism Parasitism ...a relationship where both species benefit.

How are each of the organisms benefiting? Can you think of other examples of mutualism? ... a relationship in which one organism benefits and the other species is neither helped nor harmed.

What are the two organisms involved?
Who is benefiting? Who is not helped/harmed? ...a relationship where one organism, the parasite, benefits at the expense or harming of the other, the host.

Some common parasites are fleas, leeches, & ticks. Why doesn't a parasite usually kill its host? Why is commensalism the least
common form of symbiosis? review Following this final video, Explain how
each type of interaction
among species affects an organism's survival! there are 3 types
of symbiosis There are 3 major kinds of interactions Bears image:http://www.stormfront.org/forum/t482286/
Bear audio: http://www.partnersinrhyme.com/soundfx/bear_sounds/bear_bgrowl.wav_wav.shtml
Siblings arguing image: http://terrificparenting.com
Competition for water: http://www.rpdp.net/sciencetips_v3/L8D3.htm
Competition for food: http://sites.google.com/site/exploringlivingthings/home/lesson-2
Competition for space: http://www.bbc.co.uk/scotland/learning/bitesize/standard/biology/biosphere/how_it_works_rev5.shtml
Cheetah vs. Lion video: http://www.youtube.com/watch?v=3IwDHvNxjJo
Cobra vs. Monitor lizard: http://www.youtube.com/watch?v=RKWElUrTLMY
Mutualism video: http://www.youtube.com/watch?v=Qqa0OPbdvjw&NR=1&feature=fvwp
Predation picture: http://focus.aps.org/story/v19/st7
Birds nest in tree: http://commons.wikimedia.org/wiki/File:Birds_nest_in_tree_-_Selfstanding.JPG
Parasitism image: http://kimgarrido.blogspot.com/2009/08/define-mutualism-parasitism-and.html
Symbiosis song: http://www.youtube.com/watch?v=xNm7dg3BiyU
Summary video on interactions - http://www.youtube.com/watch?v=D1aRSeT-mQE&feature=youtu.be
Brain clip art:http://supermother.wordpress.com/2011/04/11/tricks-to-increase-brain-power/ Resources (Competition, predation, symbiosis) Competition for resources in an area is usually more intense within a single species than between two different species. Why do you think this is? How can predation affect
population size? Nest Even Mr. Lee's song for his 7th graders works for us
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