Genesis 7:2
7:2 You must take with you seven
of every kind of clean animal,
the male and its mate,
two of every kind of unclean animal, the male and its mate,
Genesis 7:8
7:8 Pairs
of clean animals, of unclean animals, of birds, and of everything that creeps along the ground,
Genesis 8:20
8:20 Noah built an altar to the Lord. He then took some of every kind of clean animal and clean bird and offered burnt offerings on the altar.