3steps from the big bang
32things can go into it
cyanobacteria
NaturalLiving
The first life to make oxygen from sunlight. Over hundreds of millions of years, they filled the air with it.
First appearedAbout 2.7 billion years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
Evolved from
Needs
Evolved into
Needed by
The first life to make oxygen from sunlight. Over hundreds of millions of years, they filled the air with it.
From the big bang to cyanobacteria
The most direct chain from the start of the universe, following what things are made from and, for living things, what they evolved from. Each step shows when it first appeared.
big bang13.8 bn yrs ago
Hhydrogen13.8 bn yrs ago
water4.4 bn yrs ago
cyanobacteriac. 2.7 bn yrs ago