Phase variable bacteria are known to have dynamically changing populations undergoing phase variation events that lead to intra-population diversity and, in some cases, visible differences on culture plates, including colony sectoring [ 37].
Clearly visible differences between different lines were observed, notably with respect to the length of the root.
Smoking in public is still illegal, and the law forbids public places like bars and coffee shops from allowing smoking, so the only visible differences are long lines at some dispensaries. .
Visible differences that marked the bodies of citizens in different ways were not seen as threatening.
Often, they sit right next to each other, separated by invisible boundaries that quickly yield to visible differences.
As this insightful, waspish book shows, the hidden similarities were greater than the visible differences.
Scientists at the turn of the 21st century understood why these superficial visible differences developed.
Visible differences are crucial to such relationships, and despite obvious shared interests, the differences visible here point to two extremely dissimilar sensibilities.
"The few externally visible differences like skin color or nose shape are not enough to justify divisions," he said.
There are no visible differences.
