Which molecules contain Thymine? a. DNA molecules
b. RNA molecules
c. Both DNA and RNA molecules
d. Neither DNA and RNA molecules

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.

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community