Answer:
D
Explanation:
Fossils tell us where they came from.
Have a great day
I think it's D. Sry if you get it wrong though
I think it’s D............
I think the answer would be 1,or 2
They often respond to Quorum sensing which is determined by the cell density. Bacteria cells secrete molecules that can be detected by other bacteria, Quorum sensing allows bacteria to sense the concentration of these signalling molecules to monitor the local density of cells. It used by bacteria to coordinate certain behaviors , such as the production of biofilms.