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Comparative Anatomy
Earthworm, Crayfish, Frog and Human
by Anderson Matinho
Integument means skin
Anus
Clitellum
Prostomium
Exoskeleton
Frog integument on this slide
labels improve the photo
make notes about the frog skin but do
not put them on the slide. Put them in
the speaker notes not on the slide.
You will record them later.
Frog
Integument
The Digestive System
Gizzard
Crop
Anus/Rectum
Intestine
Digestive system of the frog
Digestive system of the human
Closed system
OPEN system
Place an image that shows earthworm circulatory
system
and label
dorsal vessel
ventral vessel
5 aortic arches
make notes in the speaker notes of what you will
say
Digestive system of the crayfish
Place an image of the full internal
anatomy of the crayfish here. Label the
digestive parts of the crayfish.
Put them in the speaker notes not on the
slide. You will record them later.
Place an image that shows Circulatory System of
the frog
and label
any organs you can identify
heart
blood vessels
capilaries
make notes in the speaker notes of what you will
say
Muscles and skeleton
Endoskeleton
Exoskeleton
Crayfish muscles and skeleton
frog muscle and skeleton
human muscle and skeleton
Conclusions: Which animals are most like
the humans and why?