Community Ecology

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Community Ecology
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Definitions to Know

• Population
• Community -

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Community Interaction

• Predator/Prey (/-)
• Includes herbivores/plants Co-evolution
  Organisms exert selection pressure on each
  other Advantages to predation?
• Adaptations of predators Defenses of
  prey Plants
• Animals

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Adaptations of Predators

• Adaptations of Raptors (birds of prey)
• Talons
• Beaks
• Speed
• Keen eyesight
• Good night vision (owls)
• 3D hearing
• Soundless flight

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Defenses of Prey

• Plants thorns, chemical

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Defenses of Prey
Animal Warning coloration Mimicry
Camouflage mechanical quills, thorns
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Defenses of Prey- Warning Coloration

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Defenses of Prey-Mimicry

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Defenses of Prey- Camouflage
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Defenses of Prey- Camouflage
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Defenses of Prey- Camouflage
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Defenses of Prey- Camouflage
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Camouflage Also adaptation of predator
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Camouflage Also adaptation of predator
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Symbiosis(Two species living in close proximity)

• Parasitism (/-) How different from
  predator/prey? Examples
• Comensalism (/0) Rare in nature Example
  Robin and Maple tree
• Mutualism (/) Examples

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