Complete the sentences to describe the different levels of organization in living things. AlAn
is a group of organs that work together to perform a common function.
AlAn
is a group of tissues that work together to perform a common function.
A/An
y is a group of organ systems that work together to perform a common function.
A/An
is a basic unit of structure and function of all living things.
A/An
is a group of cells that work together to perform a common function.