Tissue that makes up the outer covering in humans

explanation:

crosscutting concepts have application across all domains of science. as such, they are a way of linking the different domains of science. they include patterns; cause and effect; scale, proportion, and quantity; systems and system models; energy and matter; structure and function; and stability and change.

with this one i know the answer in craters one reason i looked it up and i learned about it there is my evidence