BIOC61H3 Study Guide - Final Guide: Hogna, Opportunism, Mate Choice

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

 !"#$%"""&'
""
& ("!""")"$"""
""#"&
*& +"#"
,& ("!!"-!#$$
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/& ($$!"" "
"0
"1
"%
o(%"""!#"""#

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o "#!"#""""!
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/& A-".
B& ?<
& 3<
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D!F
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8""
(""
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K'#"
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(-.
?#
(-"".
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=#-2<.
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Document Summary

When we try to pick out anything by itself, we ind it hitches to everything else in the universe. Examples: the organisms living in a pond. Aquaic insect community: aquaic or wetland plant community. Energy lows through ecosystems: photosyntheic plants -> herbivores -> primary carnivores -> secondary carnivores -> respiraion ( heat unavailable for further energy transfers) Energy is transferred through the food chain: the earth is a closed system for mater but an open system for energy! Resources = supply: sunlight or other energy source, water, nutrients (plants, food (animals, space, time, all resources have limitaions. Inability to use resources: limitaions create stress! Ecosystems are a balance between resource supply and limitaions: adaptaions are a result of natural selecion , which enable organisms to: Escape stress: each organism"s ability to acquire resources and escape stress leads to its. Niche: not all stress is resource- based!

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