Functional Diversity Part I for web

Functional Diversity Part I for web - Biological diversity...

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1 Biological diversity occurs at many levels Variation in characteristics Species LEVEL OF DIVERSITY variation among individuals with the same genes Plasticity heritable differences among individuals of the same species Genetic Grouping of species based on genetic / ecological similarity Higher taxa (genera, orders, phyla) Functional groups (e.g., predators) Habitat or Ecosystem (river, lake, ocean) Grouping of organisms and their physical environment Classifying by Functional Groups Functional Diversity Today: Acquiring Resources Goals: Name the major resources all organisms need Describe how different organisms obtain those resources Describe adaptations that increase an organism’s ability to gather resources Functional Diversity Thursday: Acquiring Resources Tradeoffs organisms face Principle of Allocation How do organisms cope with stress? acclimation vs. adaptation niche concept What determines feeding choices?
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How is the energy in light harvested? Why are green plants “green”? Chlorophyll a It is this light that autotrophs can use for photosynthesis A relatively narrow range of light wavelengths actually arrives at
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Functional Diversity Part I for web - Biological diversity...

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