13:04
Crash Course Zoology
Parasites
We explore parasites' ecology and evolution in our ecosystem.
Brainy & Brainless Animals
Crash Course Zoology will take a rapid deep dive into the weird and wonderful biology of animals. Host, wildlife ecologist, and conservation scientist, Dr. Rae Wynn-Grant will guide us across the tree of life as we endeavor to answer what makes an animal an animal anyway?
Brainy & Brainless Animals
Season 1 Episode 5 | 12m 45s | CC
We're going to take a closer look at brains, how animals use them, and how some animals have even evolved to lose them! It turns out a brain (and intelligence more broadly) isn't easy to define, but what we do know for sure is that brains have evolved over time in response to the challenges in an animals' environment.
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