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

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. Crash Course Biology is now available on DVD! http://dft.ba/-8css Like Crash Course on Facebook: http://www.facebook.com/YouTubeCrashCourse Follow Crash Course on Twitter: http://www.twitter.com/TheCrashCourse 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 crashcourse, crash course, biology, comparative anatomy, evolution, ancestry, animal, kingdom, locomotion, organism, heterotroph, heterotrophy, convergent evolution, vertebrate, environment, thomas henry huxley, paleontology, agnostic, dinosaurs, charles darwin, prehistoric, fossil, tissue, epithelial tissue, connective tissue, nerve tissue, muscle tissue, organ Support CrashCourse on Patreon: https://www.patreon.com/crashcourse