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Instructional Video
Crash Course

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

For Students 9th - 10th
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. [8:51]
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Instructional Video
Environmental Education for Kids

Eek!: Animals: Skulls

For Students 3rd - 5th
David Stokes helps us understand differences in animal skulls. [10:42]
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Instructional Video
Crash Course

Crash Course Biology #23: Complex Animals: Annelids & Arthropods

For Students 9th - 10th
Hank continues our exploration of animal phyla with the more complexly organized annelida and arthropoda, and a biolography on insects. [13:15]