Swarming Is

question 33

Multiple Choice

Swarming is:

• A) Many bacterial colonies crowded together at one place on the agar plate
• B) When colonies on a blood agar plate have a "halo" around the bacterial colony
• C) When a bacterial colony on a blood agar plate 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

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Definitions:

Functional Alternative

An alternative method or strategy that achieves the same goal or function as the original.

Differential Reinforcement

A technique used in behavior modification that involves reinforcing desired behaviors while withholding reinforcement for undesired behaviors.

DRO Increasing-Interval Schedule

A DRO schedule that thins or fades the reinforcement by gradually increasing the length of the interval. If the specified interval passes without a target response occurring, reinforcement is delivered and the next interval can be increased by a certain amount of time. If the response does occur, however, the next interval stays the same.

Topographically Incompatible

Refers to behaviors that cannot occur simultaneously because the performance of one behavior physically restricts the other.