Feeding Chickens a Strain of Bacillus Subtilis Leads to

question 45

Multiple Choice

Feeding chickens a strain of Bacillus subtilis leads to

• A)lower carriage of the pathogenic
• B)increased body weight and feed conversion.
• C)a reduction in coliforms and Campylobacter in the processed carcasses.
• D)increased body weight and feed conversion and a reduction in coliforms and Campylobacter in the processed carcasses.
• E)All of the choices are correct.

Understand the evolutionary origins and classifications of land plants and their ancestral relations.

Identify and describe diseases caused by protozoa, including causal organisms, classification, and transmission methods.

Comprehend the role and significance of choanoflagellates in evolution.

Recognize and match different supergroups of life with their representative clades.

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Definitions:

Negative Reinforcer

An unpleasant or aversive stimulus that, when removed or avoided following a behavior, increases the likelihood of that behavior being repeated.

Positive Reinforcer

A stimulus which, when presented after a behavior, increases the likelihood of that behavior being repeated.

Positive Punisher

A stimulus that, when introduced after a behavior, decreases the likelihood of that behavior occurring again.

Negative Punisher

A stimulus that, when removed after a behavior, decreases the likelihood of that behavior occurring in the future.