Watch Crash Course Biology Season 2 Episode 49 Online
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- COUNTRIES: United States of America
- Subtitles: English
Why do animals do what they do? It’s a huge question, and in this episode, we’ll learn how scientists break it down. We’ll talk about the proximate and ultimate studies they use to understand animal behavior, and some of what they’ve learned along the way — including how much decision-making other animals are really doing.
