Evolution & Origins of Life

What Is Variation in Biology and Why Is It Important?

Do Frogs Have Amniotic Eggs?

Why Do Whales Have Hip Bones?

What Are the Types of Natural Selection?

What Is the Modern Evolutionary Synthesis?

How Many Suns Can Fit in the Biggest Star?

Is a Dinosaur a Reptile? The Modern Scientific View

What Dinosaurs Lived in Texas?

Are Sharks Older Than Polaris the North Star?

Do Ducks Have Vaginas? Inside Their Unique Anatomy

The Dogs of Chernobyl Are Experiencing Rapid Evolution

What Are Bats Most Closely Related To?

How the Horse Fossil Record Supports the Theory of Evolution

Are Cats and Rats Related? A Look at Their Evolution

Are Grackles Related to Crows? Their Evolutionary Link

How Does Speciation Start on a Genetic Level?

What Type of Consumer Is a Dog: Carnivore or Omnivore?

Do All Animals Have Eyes? The Evolution of Vision

Does Artificial Selection Increase Genetic Variation?

Are Komodo Dragons Related to Crocodiles?