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Community Interactions

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Community Interactions BioH Chapter 40 * Comparison of biomes. Just for interest do not memorize * Basic Ecology Terminology Habitat Community Niche Community ... – PowerPoint PPT presentation

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Title: Community Interactions


1
Community Interactions
  • BioH Chapter 40

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Basic Ecology Terminology
  • Habitat
  • Community
  • Niche
  • Community
  • Interactions
  • The physical, chemical and biotic features of
    where an organism is typically found
  • All species within a habitat that interact with
    each other influenced by
  • Abiotic conditions
  • Resource availability
  • Adaptive traits of organisms
  • Species to species interaction
  • Population size
  • The sum of all activities relationships an
    organism engages in as it interact in the
    community.(The role that an organism plays)
  • Relationships between communities within habitat
  • Symbiotic - living together
  • Harmful relationships

3
Community Interactions
Complete the Community Interactions Video
Questionnaire!
4
Community Interactions
Description Organism A Organism B Example
Predation
Mutualism
Commensalism
Parasitism
Most relationships are NEUTRAL (no effect on
either species)
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Community Interaction Mechanisms
  • Defense Mechanisms
  • Camouflage
  • Warning coloration
  • Mimicry
  • Moment-of-truth defenses

12
Ecological Succession
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
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Mt. St. Helens
Before eruption May 17, 1980
After eruption May 18, 1980
Today
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Other succession examples
Tuolumne Meadows - Yosemite
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Climax Communities
Land Biomes
Complete the Climax Communities Video Worksheet
16
Climate Diagrams
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World-wide land biome climate maps
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Other Biomes
  • Mountain ranges
  • Polar ice caps

(Greenland)
Aquatic Biomes
  • Freshwater Ecosystems
  • Flowing water
  • Standing water
  • Freshwater wetland
  • Estuary
  • Marine ecosystems
  • Photic
  • Aphotic
  • Intertidal
  • Coastal
  • Open ocean

19
Primary Productivity
A measure of energy produced per area
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