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Comparative Anatomy: What Makes Us Animals - Crash Course Biology #21

CrashCourse 748,267 13 years ago
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Hank introduces us to comparative anatomy, which studies the similarities and differences in animal anatomy to support the theory of evolution and the shared ancestry of living things. References: Campbell Biology, 9th ed. CliffsAP Biology, 3rd ed. Thomas Henry Huxley: http://www.strangescience.net/huxley.htm Tissues: http://web.jjay.cuny.edu/~acarpi/NSC/14-anatomy.htm Divergence time estimates for the early history of animal phyla... http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1689654/ Table of Contents: 1) Comparative Anatomy 0:00 2) Locomotion 1:19 3) Heterotophy 1:41 4) Convergent Evolution 2:40 5) Biolography 3:40 6) Tissues 6:00 a) Epithelial Tissue 6:11 b) Connective Tissue 6:33 c) Muscle Tissue 7:01 d) Nerve Tissue 7:14 7) Organs 7:32 8) Organ Systems 7:39 Crash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourse Want to find Crash Course elsewhere on the internet? Facebook - http://www.facebook.com/YouTubeCrashCourse Twitter - http://www.twitter.com/TheCrashCourse Instagram - https://www.instagram.com/thecrashcourse/ CC Kids: http://www.youtube.com/crashcoursekids

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