Season 1

Video thumbnail: Crash Course Zoology Animals Working Together

Crash Course Zoology

Animals Working Together

We dive into the amazing ways animals interact with each other.

Animals Working Together

Video thumbnail: Crash Course Zoology Frontiers in Zoology

Crash Course Zoology

Frontiers in Zoology

We review all that we've learned in this final episode.

Frontiers in Zoology

Video thumbnail: Crash Course Zoology Reproduction

Crash Course Zoology

Reproduction

We explore sex and gender and how animals pass down genetic information.

Reproduction

Video thumbnail: Crash Course Zoology What is a Species?

Crash Course Zoology

What is a Species?

We try to figure what "species" really means.

What is a Species?

Video thumbnail: Crash Course Zoology Phylogenetic Mysteries

Crash Course Zoology

Phylogenetic Mysteries

We try to answer mysteries from DNA sequences to where all the baby eels are!

Phylogenetic Mysteries

Video thumbnail: Crash Course Zoology Parasites

Crash Course Zoology

Parasites

We explore parasites' ecology and evolution in our ecosystem.

Parasites

Video thumbnail: Crash Course Zoology Ancestral & Weird Senses

Crash Course Zoology

Ancestral & Weird Senses

We discuss how animals use senses to explore their environment and communicate.

Ancestral & Weird Senses

Video thumbnail: Crash Course Zoology How Animals Hear

Crash Course Zoology

How Animals Hear

We explore the evolution of ears and animals' genetic adaptations of them.

How Animals Hear

Video thumbnail: Crash Course Zoology How Animals See

Crash Course Zoology

How Animals See

We walk through the history of eyes, how they work, and vision's evolutionary advantage.

How Animals See

Video thumbnail: Crash Course Zoology Brainy & Brainless Animals

Crash Course Zoology

Brainy & Brainless Animals

We take a closer look at brains, how animals use them, and how some evolved to lose them.

Brainy & Brainless Animals

Video thumbnail: Crash Course Zoology How & What Animals Eat

Crash Course Zoology

How & What Animals Eat

We explore carnivores, herbivores, and omnivores and how animals help redefine food.

How & What Animals Eat

Video thumbnail: Crash Course Zoology Diversity of Bodies & Sizes (but mostly crabs)

Crash Course Zoology

Diversity of Bodies & Sizes (but mostly crabs)

We take a look at the various ways animals can grow.

Diversity of Bodies & Sizes (but mostly crabs)

Video thumbnail: Crash Course Zoology What’s the Most “Animal” Animal?

Crash Course Zoology

What’s the Most “Animal” Animal?

We try to figure out what that “average” animal would really look like.

What’s the Most “Animal” Animal?

Video thumbnail: Crash Course Zoology What is an Animal?

Crash Course Zoology

What is an Animal?

So what is an animal anyway?

What is an Animal?