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Delmarva Fox Squirrel
Transcript of Delmarva Fox Squirrel
Trees, they use them for moving around and living in
Acorns, so they can eat
nuts, so they can eat
Marshland, so its easy to get around and so there's also water around too. WHAT A FOX... Squirrel Squirrels use trees as a main source to get around, but the trees aren't affected. This is an example of Commensalism By Helnsarah Penda
12/14/12 4 abiotic factors
Light skys, so they can see where theyre going and be aware of predators
streams, for drinking water
temperature, there fur can protect them from most tempuratures and during the winter they hibernate
sunlight, so oak trees can get nutrients and the acorns from the trees are what squirrels eat
Made by Helnsarah Oak Tree Acorns Delmarva Fox squirrel Fox Squirrel Fox Acorns 10,000 kcal 1000 kcal 100 kcal 10 kcal 1 kcal Mutualism- A win win situation between two organisms
Parasitism- Where one organism benefits and the other organism is harmed
Commensalism- Where one organism benefits and the other organism isnt bothered A squirrel eats acorns. This is an example of parasitism because the squirrel benefits while the acorn is being harmed by being eaten. Squirrels live in the cavities of trees. This is a commensalism relationship because only the squirrel benefits while the tree isn't harmed A fox eats squirrels. This is an example parasitism because the fox benefits and the squirrel is harmed in the process Predation - When one organism hunts another - when there's not enough of an organism so other organisms have to compete to survive Competition Examples of predation - A fox eats a delmarva fox squirrel - A hawk eats a delmarva fox squirrel Examples of Competition - foxes and hawks compete to eat squirrels, especially since the Delmarva fox squirrels are endangered - Squirrels compete with there own kind for acorns if there's a limited supply. How Humans impact the habitat Humans chop down trees where squirrels live
When humans use lawn mowers or grass shredders they can accidentally hit a squirrel
When humans chop down oak trees it could be hard for squirrels to find nuts References
Acorn Eater [Illustration]. (n.d.). Retrieved from http://katyskubicle.tripod.com/squirrel.html
Delmarva Fox Squirrel, Sciurus niger cinereus. (n.d.). Retrieved from Creature Feature website: http://www.dnr.state.md.us/mydnr/CreatureFeature/delmarvafoxsquirrel.asp
Delmarva Peninsula fox squirrel. (n.d.). Retrieved December 6, 2010, from Species Profile website: http://ecos.fws.gov/speciesProfile/profile/speciesProfile.action?spcode=A00B
Food web [Illustration]. (n.d.). Retrieved from http://king.portlandschools.org/files/houses/y2/animalmaineia/files/species/wfrogkm/foodweb/food%20web.html
River Bend Nature CenterNature Pyramid. (n.d.). Nature Pyramid [Photograph]. Retrieved from http://www.rbnc.org/schoolunits/natpyra.htm
U.S. Fish & Wildlife Service (Ed.). (1999, April). Delmarva Peninsula Fox Squirrel. Retrieved from Scary Squirrel website: http://www.scarysquirrel.org/vacation/delmarva/foxsquirrel.pdf