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Complex Animals: Annelids & Arthropods - CrashCourse Biology #23

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نشرت في 05 Nov 2018 / في الحيوانات الأليفة الحيوانات

Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects.

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References:
http://www.sciencedaily.com/re....leases/2010/07/10072
http://tlc.howstuffworks.com/h....ome/earthworm-apprec
http://annelidsf.blogspot.com/
http://www.bukisa.com/articles..../41743_amazing-facts
http://www.ehow.com/about_6292....974_interesting-crus

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