comparative anatomy
Post on 12-Nov-2014
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COMPARATIVE ANATOMY
LET’S REVIEW
• 3 KEY CONCEPTS:– STRUCTURE AND FUNCTION– DIFFUSION– SURFACE AREA
STRUCTURE AND FUNCTIONWHAT DOES THE STRUCTURE OF AN
OBJECT HAVE TO DO WITH ITS FUNCTION?
VELCRO
COCKLEBUR
DIFFUSIONWHAT BODY SYSTEMS USE
DIFFUSION IN ORDER TO FUNCTION PROPERLY?
SURFACE AREAEXPLAIN THE RELATIONSHIP BETWEEN
THE VILLI AND THE TERRY CLOTH
VILLI
TERRY CLOTH
SURFACE AREA, DIFFUSION AND STRUCTURE AND
FUNCTIONHOW DO ALL THREE OF THESE
CONCEPTS HELP THE VILLI FUNCTION?
DIGESTIVE
Mammal
Annelid
Cnidarian
Arthropod
RESPIRATORY
Gills
Crayfish
Spider Book lung
Alveoli
Mammal
CIRCULATORY
Mammal
Insect
Open
Annelid
Closed
EXCRETORY
Mammal
Annelid
Arthropod
NERVOUS
Human Brain
Nerve cord
Cnidarian
Arthropod
Annelid
SKELETAL Endoskeleton
Exoskeleton
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