th 2016 Shape of the Day 10 15 minutes Run through lecture at breakneck speed Rest of Block Organism Research in Library Learning Objectives Define symbiosis Define ID: 679844
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Slide1
Symbiotic Relationships
February 17
th
2016Slide2
Shape of the Day
10 – 15 minutes
– Run through lecture at breakneck speed
Rest of Block
– Organism Research
in
Library Slide3
Learning Objectives
Define symbiosis
Define
and
give examples of parasitism, commensalism and mutualism Slide4
Symbiosis
When two organisms share a close relationship, where at least one benefits Slide5
Parasitism
Where one party benefits and the other suffers
+ / - Slide6
Parasitism
Where one party benefits and the other suffers
+ / - Slide7
Parasitism
Parasites usually don’t kill their hosts, why not?
Because from an evolutionary standpoint, if the hose dies, the parasites die as well. Slide8
Parasitism
Unless the parasites have already reproduced.Slide9
Commensalism
When one party benefits and the other is unaffected
+ / 0Slide10
Mutualism
When both parties benefit
+ / +