3steps from the big bang
116things can go into it
cow
NaturalLiving
A dairy cow gives about 25 litres of milk a day.
First appearedAbout 10,000 years ago
Made Of
Everything is made of something.← What it takes
What it leads to →
A dairy cow gives about 25 litres of milk a day.
From the big bang to cow
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
cowc. 10,000 yrs ago