Community Relationships & Symbiosis Biology – Chapter 4 1.

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Presentation transcript:

Community Relationships & Symbiosis Biology – Chapter 4 1

Community Interactions Complete the Community Interactions Video Questionnaire! 2

Community Interactions DescriptionOrganism AOrganism BExample Predation + Mutualism + Commensalism + Parasitism + 3

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Ecological Succession 12 Primary succession = succession where no soil exists Pioneer species = the first living organisms to populate an area Secondary succession = succession to existing ecosystem after natural disaster

Mt. St. Helens 13 Before eruption – May 17, 1980 After eruption – May 18, 1980 Today

Other succession examples 14 Tuolumne Meadows - Yosemite

Climax Communities Land Biomes Complete the Climax Communities Video Worksheet 15

Climate Diagrams 16

17 World-wide land biome climate maps

Other Biomes 18 Mountain ranges Polar ice caps Aquatic Biomes Freshwater Ecosystems Flowing water Standing water Freshwater wetland Estuary Marine ecosystems Photic Aphotic Intertidal Coastal Open ocean (Greenland)

Primary Productivity 19 A measure of energy produced per area

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