Swarming Is

Multiple Choice

Swarming is

A) many bacterial colonies crowded together at one place on the agar plate.
B) when colonies on a BAP have a "halo" around the bacterial colony.
C) when a bacterial colony on a BAP grows over the top of the erythrocytes it hemolyzed.
D) a hazy blanket of growth on the surface of the agar that extends way beyond the streak lines.