Ch 52- ecology (1 slide per page)

9 campbell 9th ed 2 brood categories of biomes

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Unformatted text preview: re 52.15 (Campbell 9th ed) Figure 52.9 (Campbell 9th ed) 2 brood categories of Biomes Aquatic Terrestrial A collection of worldwide regions with similar physical and chemical conditions. A collection of worldwide regions with similar climatic conditions. All of the regions in a biome contain organisms with similar adaptations which allow them to survive the characteristic conditions…Convergent evolution Aquatic Biomes 32 Freshwater Lakes Wetlands Streams & Rivers Estuaries Marine Intertidal Reef Pelagic Benthic 33 Aquatic Biomes Freshwater Lakes Physical Environment – standing bodies of water but vary a lot in size & depth, temp & light penetration Figure 52.13a (Campbell 9th ed) Figure 52.16 (Campbell 9th ed) Zones can be differentiated based on: • Light penetration (photic/ aphotic) • Distance from shore and depth (littoral/ limnetic) • Open water or bottom (pelagic/ benthic) 34 Aquatic Biomes Freshwater Lakes Physical Environment – standing bodies of water but vary a lot in size & depth, temp & light penetration Chemical Environment – Salinity, [O2] & nutrients vary among lakes and seasonally Oligotro...
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