We know that fetuses can hear before birth because newborns:

How is the male reproductive system different from other body systems? it isn’t necessary to vital signs. it monitors other body systems, and adjusts if necessary. it transports items from one system to another. it is the only system that produces hormones in the male.

The term used to describe a disease-causing microorganism isa. virus. b. infection. c. pathogen. d. microbe. e. bacterium.

Why are common names a problem for scientist?