Complex life first emerged

on Earth 1.6 to 2.1 billion

years ago when single cell

organisms merged

Archaea

Bacteria

Single cell

organisms

Fungi

Plants

Animals

Complex life

Complex life first emerged on

Earth 1.6 to 2.1 billion years

ago when single cell

organisms merged

Archaea

Bacteria

Single cell organisms

Fungi

Plants

Animals

Complex life

Complex life first emerged on Earth 1.6 to

2.1 billion years ago when single cell

organisms merged

Archaea

Bacteria

Single cell organisms

Fungi

Plants

Animals

Complex life