SYMBIOTIC RelationshipS

DEFINITIONS

• Symbiotic relationship: A close relationship between two organisms.

EXAMPLES

• Bees taking pollen from flowers and spreading it, so the flowers
• African oxpeckers feed off the backs of zebras and giraffes, cleaning them.
• Clown fish living in anemones, so that they're protected.
• Flies eating off the backs of Rams, to clean them.
• Lichens breaking down trees, to start an ecosystem.

mutualism

• When both organisms benefit from the relationship.
• Some examples are:
• Lady bugs planting their eggs on leaves, the lady bugs grow there, and the leaves are fertilized.
• Butterflies collecting pollen, to spread the flower's DNA.

commensalism

• commensalism is when only one side of the relationship benefits, and the other is unaffected.
• Examples of commensalism:
• Atlantic puffin - These puffins use burrows for nesting that were made by rabbits.
• Barnacles - These will attach to whales or mollusk shells in order to be where food is available. This also acts as transportation for them and safety.

parasitism

• parasitism is when one organism benefits while the other is harmed.
• Examples of parasitism:
• Acanthamoeba - Granulomatous amoebic encephalitis (GAE) affects humans.
• Lice will live off the human scalp, and cause the scalp to itch.

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