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.
It takes place in cytoplasm
{answer}
B- they are denser than water
{ I hope this helps :)}
D. He saw that the continent fits together like pieces of a jigsaw puzzle
as well, he had evidence from having similar rock formations from places that seemed to "connect", and he found fossils of the same dinosaur in different areas, that would have been impossible to go to because of the size and the inability to swim by the dinosaurs
<span />
