Evolution & Origins of Life

Are Animals Actually Getting Smarter?

What Animals Survived the Dinosaur Extinction?

What Did Humans Look Like 2000 Years Ago?

Is Crustacea a Class or a Subphylum?

Are Polar Bears Brown Bears? Their Evolutionary Split

Why Do Some Scientists Believe That Dinosaurs Were Warm Blooded?

What Animals Lived in the Ordovician Period?

What Survived the Asteroid That Killed the Dinosaurs?

Is a Dolphin Flipper a Homologous Structure?

How Are Mammalian Forelimbs Similar?

What Was the Coolest Dinosaur? A Look at the Top Contenders

What Was the Largest Sea Dinosaur?

What Kingdom Does Fungi Belong To?

Why Did Animals Shrink Over Time?

How Did Early Humans Give Birth?

How Long Has the Komodo Dragon Been Around?

What Is the Difference Between Evolution and Natural Selection?

How Does the Molecular Clock Work?

What Is Sympatric Speciation? Definition and Examples

Are Octopuses Older Than Dinosaurs?