ACA Grade 8 Science
  • Home
  • Scientific Method
  • Chemistry
  • Physics
  • Ecology
  • Earth's Atmosphere
  • Science Fair/ Science Olympics
  • Cells & Systems
Ecology
Dictionary Definition -
the study of the relationships between living organisms and their environment

Symbiosis - Survival

Survival of one species might depend on another
Picture
Symbiosis
  • Individuals of two species may have a close relationship called symbiosis. There are 3 kinds.

Picture
Mutualism
  • Mutualism occurs when both species in the symbiosis benefit from the interaction.

Picture
Commensalism
  • Commensalism occurs if one species benefits while the other is unharmed and unaffected.

Picture
Parasitism
  • Parasitism occurs when one species is harmed while the other benefits.

Picture
Symbiosis
  • The table shows how the three symbiotic relationships can be beneficial (+), neutral (0), or harmful (-).


Back
Powered by Create your own unique website with customizable templates.