give details of food webs?
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Don't you think, you should put "Please" before the question you asked?
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Try a mini ecosystem in a 2-liter coke bottle. Study it for a few months and see how it changes. Record what plants and animals you put in too.I suggest putting in some worms, moss, and an up-right plant
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http://www.insects.org/\nhttp://www.bugbios.com/entophiles/index.html\nhttp://www.projects.ex.ac.uk/bugclub/bugid.html
726006
www.GIsearch.com    GOOD LUCK!
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IFu are very much intreasted in studying that spider then take a book of PHYLUM ARTHROPODA  in invertebrate classification \nand identify the feautures like spines legs
784109
The site below may give you some specifics, it also has lots of links to other sites........:D
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http://www.csam.montclair.edu/ceterms/rainforest/RFC2002/RFC_Gallery8/Gallery8.htm
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Try the discovery channel website
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http://dev.biologists.org/cgi/content/full/130/17/4123?ck=nck
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A FOOD CHAIN represents the movement of organic material from one trophic level to the next, from the Producers (Plants) to Primary Consumers (herbivorous animals) to Secondary Consumers (carnivores) etc.\nA FOOD WEB shows how the food chains in an ecosystem are linked together.\n\nSo in your question, start with the plant and link things together:\n\nSunlower --> rabbit ------>human\n         --> deer --------> ?\n         --> grasshopper -> ?\n\nNOTE: can't be shown here in text, but 'sunflower' has three arrows pointing away from it; each organism is only written once. Have a look at the pages below:
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www.google.com  \n"info on nitrogen"
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http://www.nationalgeographic.com/forcesofnature/interactive/index.html?section=v\n\ngreat site
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I would do something like this:\n\n* Similarities and differences among living organisms\n(For example, the characteristics of life, cells, comparing single and multicellular organisms)\n*Homeostasis in living things\n(Basic biochemical processes, Feedback systems, Disease)\n*Genetics\n(Heredity, Genes)\n*Reproduction and development\n(Cell division, reproduction among organisms)\n*Evolution\n(Theories)\n*Ecology\n(Interaction between organisms and their environments, energy flow)\n\nThese are just a few ideas.
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invertebrate\n\nmore info at\nhttp://www.ipm.ucdavis.edu/WATER/U/ceriodaph.html
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gov't, livestock, people, fish, etc... \n\nlook at the address below - very interresting...
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The usual example is that of a pond; a self-contained ecosystem.\nNow you need to do your learning and consider how the organisms depend upon one another.
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http://www.blueplanetbiomes.org/rainforest.htm