Tag: evolution






Evolution: It’s a Thing – Crash Course Biology #20

Evolution: It’s a Thing – Crash Course Biology #20

Congratulations! This is our last episode of our section on Evolution and Genetics, which puts us at the halfway mark of CrashCourse Biology. So far we’ve learned about DNA, genetics, natural selection, how cells multiply, populations, speciation, replication, respiration, and photosynthesitation. I’m so proud of you. But I couldn’t let this section end without discussing[…]

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Everything We Know About Dinosaur Evolution Just Changed, Here’s Why

We all know by now that most dinosaurs were probably feathered, right? I mean, since the discovery of feathered theropod dinosaur fossils in the mid-1990s, that’s become pretty common knowledge. This year, in 2019, scientists have linked together many fossil and genetic discoveries to address a long-standing question in the paleontological community. When did feathers[…]

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