symbiosisoneilbio.weebly.com/.../1/3/3/4/13346597/symbiosis_ppt.pdf · 2019-10-26 · symbiosis...
TRANSCRIPT
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Symbiosis
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Symbiosis
• Close (intimate) and often long-term interactions between different biological species
• Therefore predation is NOT an example of symbiosis
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Symbiosis
• Classified into categories by analyzing degrees of “benefits” for symbionts involved
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Symbiosis
• Classified into categories by analyzing degrees of “benefits” for symbionts involved
BOTH
BENEFIT
ONE BENEFITS,
OTHER HARMED
ONE BENEFITS,
OTHER NOT AFFECTED
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Symbiosis
• Classified into categories by analyzing degrees of “benefits” for symbionts involved
MUTUALISM PARASITISM COMMENSALISM
BOTH
BENEFIT
ONE BENEFITS,
OTHER HARMED
ONE BENEFITS,
OTHER NOT AFFECTED
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Mutualism
Insects and Flowering plants
Lichen
Cleaner Shrimp and Moray eel
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Commensalism
Epiphytic Plants
Hermit Crab
Remora
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Parasitism
Dodder entwined around field bindweed
Tapeworm
Mosquito
Flea
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Classifying Symbiosis… a tricky task
What type of symbiosis best fits this example?
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Test your Knowledge:
• On ¼ piece of paper… answer these two questions
Your answer choices:
• Mutualism
• Commensalism
• Parasitism
• Predation
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Whale • Often have barnacles
attached to their skin
• The whales function
normally whether or not
barnacles are present
Barnacle • Larva must attach to a surface
• Competition for living space
is fierce
• Feed by filtering water
for plankton
#1. What is this relationship?
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#2. What is this relationship?
Indian Pipe Plant
• White (non-photosynthetic)
• Always found near the roots
of large trees (oak, maple) or
their stumps
Oak Tree
• Oak trees with Indian Pipe
presence often have diminished
flowering and seed production Indian Pipe on ground near Oak Tree roots
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HOMEWORK FOR TOMORROW
• Reflection question:
Consider your relationship with your parents… classify it as mutualism, commensalism, or parasitism.
Most importantly – explain your reasoning!!