COMPARING THE HUMAN SHOULDER TO THAT OF OTHER VERTEBRATES

humanscapula

scapula

In humans, the pectoral girdle is composed of the scapula and clavicle. A number of the bony landmarks of these bones are depicted on the photos above.

shark and bowfin

sharkbowfin

frog

frog

alligator and turtle

scapula

turtle

platypus (an egg-laying mammal)

platypus

cat

catcat

cat

bat and mink

batmink

monkey

monkeymonkey

WHAT SPECIFIC SIMILARITIES AND DIFFERENCES DID YOU NOTICE BETWEEN THE HUMAN STRUCTURES AND THOSE OF OTHER VERTEBRATES? HOW DO THESE STRUCTURAL SIMILARITIES/DIFFERENCES COMPARE TO SIMILARITIES/DIFFERENCES IN LIFESTYLE? WHAT MAKES HUMANS UNIQUE? WHAT RELATIONSHIPS BETWEEN ORGANISMS DO YOU FEEL ARE SUPPORTED BY YOUR COMPARISONS OF THEIR FEATURES? WHAT FEATURES DO YOU FEEL DEFINE A PARTICULAR GROUP?
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