The Devonian age is the answer, it is named for Devon, England where the old red sandstone of the Devonian was first studied
A physician who analyzes cells, tissues, and organs to diagnose disease is called a pathologist.
Bacteria defend themselves against viral infections<span> by modification of the receptor sites as well as involvement of </span>restriction endonuclease enzymes<span> which acts on</span>viral<span> DNA and not acting on self as the </span>bacterial<span> DNA is methylated.</span>
A. It usually affects the digestive tract. is false. This is because although tuberculosis can affect it, most of the time it affects the lungs and respiratory system.
Hope that helped you.