A Study Finds a Positive Correlation Between the Number of Spots

question 72

Multiple Choice

A study finds a positive correlation between the number of spots on the tail of male peacocks and their mating success.What would be the best followup experiment?

• A)Count the number of spots on female tails and measure mating success.
• B)Remove spots or add artificial spots to male tails and determine female responses.
• C)Measure the sperm count of males and compare to spot count.
• D)Inject testosterone and observe changes in spot count.

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Definitions:

Liver

A vital organ in vertebrates that performs a wide range of functions, including detoxification, protein synthesis, and the production of biochemicals necessary for digestion.

Brain

The organ located in the head of an organism, integral for controlling most of the body's functions, including awareness, movement, sensation, thought, and memory.

Insulin

A hormone produced by the pancreas that regulates blood glucose levels by facilitating the uptake of glucose into cells, used in the body's metabolism.

Glucagon

A hormone produced by the pancreas that increases blood glucose levels by stimulating the conversion of glycogen to glucose in the liver.