Biology - Earth How

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.

NATURAL ENVIRONMENT

DNA and Cells

Taxonomic Classification

DNA, Cells and Organisms | Life Science

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.

domains of life

What Are the 3 Domains of Life?

Cambrian Explosion

Cambrian Explosion: Life Diversification in the Oceans

Cellular Respiration

Cellular Respiration Steps: Energy Conversion in the Body

Human Stardust Supernova

We Are Made of Stardust from Old Supernovas

Human Cells vs Bacteria: Microbiota in Your Body

DNA Deoxyribonucleic acid

DNA Deoxyribonucleic Acid: The Origin of Your Genes

Evolution

Endosymbiosis

Endosymbiosis: The Origin of Eukaryotic Cells

Human Timeline

Human Timeline: How Long Have Humans Existed?

Theory of Evolution

Theory of Evolution: Charles Darwin and Natural Selection

LUCA Last Universal Common Ancestor

LUCA: Last Universal Common Ancestor

Age of Dinosaurs

The Dinosaur Era: When Dinosaurs Dominated

Carbon Dating

Carbon Dating: How Radioactive Isotopes Estimate Age

Human Evolution

Evolution and Tree of Life | Life Science

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.