The Phanerozoic Era Timeline

From the dawn of life to the rise of humans, a brief history.

Early Life | Complex Life | Advanced Life

• Early Life (4.5 Ga)
• Complex Life (3.5 Ga)
• Advanced Life (2.5 Ga)
• Human Life (0.5 Ga)

Early Life (4.5 Ga)

From the emergence of single-celled organisms to the rise of multicellular life.

Key Events:

• The formation of the Earth's oceans
• The development of RNA and DNA
• The emergence of multicellular life

Multicellularity: A Brief History

Complex Life (3.5 Ga)

From the rise of nervous systems to the evolution of sensory organs.

Key Events:

• The development of nervous systems
• The emergence of sensory organs
• The evolution of complex behaviors

Sensory Organs: The Key to Survival

Advanced Life (2.5 Ga)

From the rise of complex societies to the emergence of intelligent life.

Key Events:

• The evolution of social structures
• The emergence of intelligent life forms
• The development of tools and technology

Intelligent Life: A Brief History

Human Life (0.5 Ga)

A brief history of humanity's rise to dominance.

Key Events:

• The emergence of Homo sapiens
• The development of civilization
• The invention of the internet

Civilization: The Good, the Bad, and the Ugly