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Crash Course Zoology
Diversity of Bodies & Sizes (but mostly crabs)
Season 1
Episode 3
Even though animals can look very different on their surface, there are surprising similarities in how they’ve evolved to solve major problems - like how to support and move their bodies. Today, we’ll take a look at the various ways animals can grow, learn how and why some animals evolved to have a head and others evolved to not have a head, and examine the different types of skeletons.
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12:32
We try to answer mysteries from DNA sequences to where all the baby eels are!
12:42
We discuss how animals use senses to explore their environment and communicate.
12:39
We walk through the history of eyes, how they work, and vision's evolutionary advantage.
12:45
We take a closer look at brains, how animals use them, and how some evolved to lose them.
13:35
We explore carnivores, herbivores, and omnivores and how animals help redefine food.
11:29
We try to figure out what that “average” animal would really look like.