Which organ systems are used to the body shiver?
a.) circulatory and respiratory
b.) nervous and muscular
c.) circulatory and muscular
d.) respiratory and nervous

What is unique about the members of the group of fungi to which penicillium notatum belongs? they are not important for medicine. they are not made up of hyphae. they are used in fermentation. they lost the reproductive phase.

What type of competition exsist between two species. turtles and fish

Cells destroy body cells infected by a virus or bacteria.