moved upon

"moved about" or "roamed"

all the living creatures that lived in great numbers upon the earth

This refers to all the animals that move around on the ground in large groups.

Here "noses" represent the whole animal or human. AT: "everyone that breathed" (See: rc://en/ta/man/translate/figs-synecdoche)

The words "breath" and "life" represent the power that causes people and animals to be alive. (See: rc://en/ta/man/translate/figs-metonymy)

This refers to physical death.