Which division of the peripheral nervous system activates skeletal muscles?

Somatic nervous system  

Explanation:

The voluntary nervous system or somatic nervous system the part of the PNS (peripheral nervous system) which is associated with the voluntary control of the body movements.

These movements are generally controlled by the skeletal muscles. It helps in various movements such as walking, bending, sitting, et cetera.

This nervous system consists of the efferent nerves and afferent nerves or we can say motor nerves that helps in controlling the movement of the body.

"do a testcross with a homozygous recessive plant."

unicellular organisms, like bacteria, are able to perform all life functions within one single cell. multicellular organisms need many different types of cells to carry out the same life processes. each of these special types of cells has a different structure that it perform a specific function.