Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behavior, origin, and distribution.
This is basically the definition of biology, so you may need to add a little more detail. This is a great way to get it started though!!!
Hope this helps!!
<span>B) Phosphorus.
ATP is made up of nitrogen, phosphorous, carbon, hydrogen, and oxygen.
Hope this helps :)</span>
A bacteria cell is a prokaryote.
An intrusion is the action of intruding or intruding. I hope I helped a little!! :-)