RATDISSECTION
Image from: http://www.animationlibrary.com
Mammals lived at same timeas dinosaurs; mammals spread out when dinosaurs became extinct
RAT LATIN meaning
KINGDOM _____________
PHYLUM ____________________________
SUBPHYLUM ___________________________
CLASS _______________________________
ORDER _____________________________
ANIMALIA
CHORDATA
VERTEBRATA “backbone”
Mammalia “breast”
RODENTIA “to gnaw”
VIBRISSAEEXTERNAL
NARES
PINNA
DIAPHRAGMDivides coelom into:
THORACIC CAVITY
heart & lungs
ABDOMINAL CAVITYdigestive, excretory, reproductive organs
Image from: http://www.utm.edu/~rirwin/RatAnat.htm
TRACHEA BRONCHI
LUNGS
• Cartilage rings• Left lung smaller makes room for heart
Image from: http://www.utm.edu/~rirwin/RatAnat.htm
http://www.eschs.k12.nm.us/Bio2/2k3-4/white_rat_dissection.htm
Image from: http://www.utm.edu/~rirwin/RatAnat.htm
Image from: http://www.utm.edu/~rirwin/RatAnat.htm
Image from: http://www.utm.edu/~rirwin/RatAnat.htm