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Crash Course Zoology
Phylogenetic Mysteries
Season 1
Episode 12
There are so many more questions we have yet to answer in Zoology so grab some fossils, fire up the DNA sequences, and bring your best hypothesis as we try to figure out where all the baby eels are, explain why spiders seem so lonely, and decide once and for all if horseshoe crabs are arachnids!
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12:35
We review all that we've learned in this final episode.
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12:35
We try to figure what "species" really means.
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13:21
We dive into the amazing ways animals interact with each other.
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13:00
We explore sex and gender and how animals pass down genetic information.
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12:42
We discuss how animals use senses to explore their environment and communicate.
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11:56
We explore the evolution of ears and animals' genetic adaptations of them.
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12:39
We walk through the history of eyes, how they work, and vision's evolutionary advantage.
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12:45
We take a closer look at brains, how animals use them, and how some evolved to lose them.
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13:35
We explore carnivores, herbivores, and omnivores and how animals help redefine food.
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13:16
We take a look at the various ways animals can grow.
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11:29
We try to figure out what that “average” animal would really look like.