EEB263Y1Y (Lecture #1).pdf

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Department
Ecology & Evolutionary Biology
Course
EEB202H1
Professor
Gerardo De Iuliis
Semester
Fall

Description
EEB263Y1Y:  LECTURE  #1       Topic:  How  form  fits  function  in  vertebrates.         Long  axis  of  body  parallel  to  ground  (in  reference  to  the  planes  of  axis)       Planes     1.  Sagittal  Plane:  Splits  body  into  right  +  left     2.  Parasagittal:  Divides  left  +  right  body  into  unequal  parts     3.  Transverse  Plane:  Divides  body  into  front  +  back     4.  Frontal  Plane:  Divides  body  into  upper  +  lower  parts     5.  Proximal  (close  to)  +  Distal  (away  from):              Used  in  reference  to  limbs              Artery  (Reference  point  =  Heart)              Nerve  (Reference  point  =  Spine)         Combinations  of  directions  =  Oblique  directions       Vertebrate  Relatives     Node:  Indication  that  two  groups  are  sister-­‐groups       Notochord       Axial,  stiffening  structure,  mid-­‐axial  (analogous  to  the  spinal  cord)     Fluid  filled  (acts  as  a  structural  component)     Rod  cannot  be  compressed  
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