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BIO325H5 (30)
Lecture

Jan. 13 lecture Notes

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Department
Biology
Course
BIO325H5
Professor
Glenn Morris
Semester
Winter

Description
3 skeleton forms 1. Hydrostatic: Fluid based skeletons 2. endoskeleton: bones with muscles on the outside 3. exoskeleton: chain of hollow tubes with muscles on the inside *Translocation of forces -Coelom : Fluid Filled cavity, space in the mesoderm. Functionally in earthworms it acts as a hydrostatic skeleton and translocates forces (for example between longitudinal and circular muscles) -insect legs are like chain of hollow tubes. Half moon membrane connects half membrane leg segments -Endoskeleton and A frog jump: the hind limbs are adapted to jump by extending the legs fully from a recoiled position. Structure: the bones are folded in the hind leg. -Gastronomists: the main muscle in the leg for a frog to jump 3 worm phyla: 1. Segmented worms: includes Chr
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