Biology
There’s biology in everything – flora, fauna, and all living things. Explore everything about biology like our DNA, cells, evolution, and the natural environment.
DNA and Cells
Taxonomic Classification: From Domain to Species
In biology, we categorize life by how similar organisms are with each other. Like a family tree, we find relationships by their classification of life.
Evolution
Human Evolution: A Timeline of Early Hominids [Infographic]
Since about 4 million years ago, humans have evolved from early hominids to modern humans. Here are 14 species examples from human evolution now extinct.
