Evolution & Origins of Life

What Kind of Tree Is the Tree of Life?

How Did Bacteria Evolve and Change the Earth?

What Is a Clade in a Phylogenetic Tree?

What Is Common Descent? The Evidence for Evolution

Can Zebras Be Domesticated? The Science Explained

How Much DNA Do We Share With Monkeys?

Why Do Plants and Animals Adapt to Their Environment?

The Major Evolutionary Milestones of Vertebrates

How Long Have Stingrays Been Around?

When and Where Was Lucy the Hominid Found?