Arthopod Lab: PAP Bio - Vu 7 - April 6, 2014 - J Chen
Acknowledging Your Arthropods
Facts of the Arthropoda...
-Arthropods have been on Earth since about 428 million years ago.
-Arthropods compose approximately 90% of the animal kingdom.
-All arthropods have an exoskeleton.
-Ancestral arthropods were the first land animals
-The oldest land living arthropod is the Pneumodesmus newmani.
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