Which of the Following Represents an Activity Within a Population?​

question 85

Multiple Choice

Which of the following represents an activity within a population?​

• A) a fox consuming a rabbit​
• B) ​the absorption of nitrogen by bacteria and converting it to a form useful to plants
• C) ​a peacock spreading and shaking his feathers to attract a female
• D) ​moss growing on the north side of a large pine tree
• E) ​a virus causing rabies in a dog

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Definitions:

Selection Bias

A problem in experimental design stemming from the experimental groups not being comparable.

Spurious Relationships

A connection between two variables that appears causal but is actually caused by a third variable.

Experimental Situation

The setting experimental subjects are placed in. This setting may be a threat to external validity if it does not reflect external reality.

External Validity

Relates to whether an experiment has in fact captured the external world that the researcher is investigating.