After a Drought in 1977, Researchers Hypothesized That on the Galápagos

question 24

Multiple Choice

After a drought in 1977, researchers hypothesized that on the Galápagos Island Daphne Major, medium ground finches with large, deep beaks survived better than those with smaller beaks because they could more easily crack and eat the tough Tribulus cistoides fruits. A tourist company sets up reliable feeding stations with a variety of bird seeds (different types and sizes) so that tourists can get a better look at the finches. Which of the following events is now most likely to occur to finch beaks on this island?

• A) evolution of yet larger, deeper beaks over time, until all birds have relatively large, deep beaks
• B) evolution of smaller, pointier beaks over time, until all birds have relatively small, pointy beaks
• C) increased variation in beak size and shape over time
• D) no change in beak size and shape over time

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Definitions:

Behavior

Actions or reactions of an individual or group in response to external or internal stimuli.

Remittitur

A court-ordered reduction of an excessive jury verdict in a civil case.

Trial Court

The court where a case is initially tried, involving presentation of evidence and witness testimony before a judge or jury for a verdict.

Prima Facie

Latin for 'at first sight,' it refers to evidence or facts that are sufficient to prove a case or establish a claim unless disproven by other evidence.