Use the Following Information to Answer the Question

question 12

Multiple Choice

Use the following information to answer the question. These two headlines are on the same topic.
Headline A: Gaining weight after giving birth for the first time leads to pregnancy- related diabetes during second pregnancy, a new study finds.
Headline B: Women who gain weight after giving birth for the first time dramatically increase their risk of developing pregnancy- related diabetes during their second pregnancy, a new study suggests.
-Was the study referenced most likely a controlled experiment or an observational study?

• A)Controlled experiment
• B)Observational study

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Definitions:

Nonreciprocal Altruism

Altruistic behavior where one individual benefits another without the expectation of the favor being returned.

Lions Hunt

A cooperative behavior exhibited by lions, primarily by the females of a pride, to strategically capture prey to feed the group.

Fitness Payoffs

The benefits in terms of survival and reproduction that an organism gains from a particular behavior or trait.

Selfishness

The act of placing one's own needs or desires above the welfare of others.