Community Relationships & Symbiosis Biology – Chapter 4 1.

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Transcript of Community Relationships & Symbiosis Biology – Chapter 4 1.

Community Relationships & Symbiosis

Biology – Chapter 4

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Community Interactions

Complete the Community Interactions Video Questionnaire! 2

Community Interactions

Description Organism A Organism B Example

Predation +

Mutualism +

Commensalism +

Parasitism +

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Ecological Succession

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Primary succession = succession where no soil existsPioneer species = the first living organisms to populate an areaSecondary succession = succession to existing ecosystem after natural disaster

Mt. St. Helens

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Before eruption – May 17, 1980 After eruption –

May 18, 1980

Today

Climax Communities

Land BiomesComplete the Climax Communities Video Worksheet 15

Other Biomes

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Mountain rangesPolar ice caps

Aquatic Biomes Freshwater Ecosystems

Flowing water Standing water Freshwater wetland Estuary

Marine ecosystems Photic Aphotic Intertidal Coastal Open ocean

(Greenland)

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