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Interactions Among Organisms. How do organisms act when they are around each other?. INTER acting . Interactions between living things help maintain BALANCE in an ecosystem. Every organism has a variety of ADAPTATIONS that are suited to its specific living conditions.

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interactions among organisms

Interactions Among Organisms

How do organisms act when they are around each other?

inter acting
INTERacting
  • Interactions between living things help maintain BALANCE in an ecosystem.
  • Every organism has a variety of ADAPTATIONS that are suited to its specific living conditions.
  • Q: Name an example of how two types of organisms interact.
3 types of interactions
3 Types of Interactions
  • Competition
  • Predation
  • Symbiosis
competition
Competition
  • When organisms struggle to survive in a habitat with limited resources.
  • Why can’t all organisms survive and share the resources?
predation predator vs prey
Predation:(Predator vs. Prey)
  • When one organism (predator) kills and eats another organism (prey)
  • How does predation affect population size?
adaptations
Predators

Run fast

Camouflage

Claws, talons, teeth

Strength

Prey

Run fast

Warning Coloring

Camouflage

Armor

Mimicry

False Coloring

Adaptations
mimicry examples
Mimicry Examples

Coral snake

King snake

mimicry examples8
Mimicry Examples

Viceroy butterfly

Monarch butterfly

symbiosis
Symbiosis
  • A close relationship between two different species that benefits at least one of the species
  • 3 Types of Symbiosis:
    • Mutualism
    • Parasitism
    • Commensalism
mutualism
Mutualism
  • Both organisms benefit
  • Examples:
    • Flower and bumblebee
    • Humans and intestinal bacteria
parasitism
Parasitism
  • One organism benefits, the other is harmed
  • Examples:

-Hornworm and wasps

-Ticks and dogs

commensalism
Commensalism
  • One organism benefits, the other is unaffected
  • THIS IS NOT VERY COMMON IN NATURE!! (Why???)
  • Examples:
    • Bird’s nest and tree
    • Mites on a damselfly
    • Shark and remora fish