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Ecology
Dictionary Definition -
the study of the relationships between living organisms and their environment

Lesson 2.2 (Symbiosis)

Organisms Interact in Different Ways

Key Concepts
  • Organisms interact in different ways.
  • Survival of one species might depend on another.
  • Interactions in an ecosystem are complex.
Different Interaction
Survival
Complex Interaction
  Vocabulary
  • predator
  • prey
  • competition
  • cooperation
  • symbiosis
  • mutualism
  • commensalism
  • parasitism
 
Practice Quiz 2.2

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