BIO120H1 Study Guide - Keystone Species, Venus Flytrap, Interspecific Competition

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10 Nov 2012
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BIO120H1 Full Course Notes
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BIO120H1 Full Course Notes
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Ecological community: group of interacting species that live in the same area. Bound together by the environment and their interactions with each other. Keystone species: species that has a larger effect on their community relative to their abundance. 15 resource partitioning and why it matters. Coexistence is impossible between two species that use the resource in the exact same way. Species can share resources and reduce interspecific competition by differing in what they consume. Species of bumblebees in colorado compete for flower nectar, but each species has preferred flowers based on the length of their corolla. In plants, coexisting species have different ways of obtaining nitrogen. Species that use resources in the same way will not forage in the same area, species that forage in the same area will not use resources the same way. Tree dwelling lizards if they like the same branch thickness, they ate different sized prey.

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