In Which of the Following Scenarios Are Models Being Used

question 15

Multiple Choice

In which of the following scenarios are models being used to make predictions and plan for the future?

• A)A policeman clocks the speed of a motorist with a radar gun.
• B)Someone checks the weather forecast for the weekend.
• C)An evolutionary biologist estimates fitness by measuring gene frequencies over time.
• D)All of the above

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Definitions:

Venules

Small vessels that carry blood from capillaries to veins, being part of the return segment of the circulatory system.

Nutrient Exchange

The process by which nutrients are transferred between organisms and their environment.

Capillary Beds

Capillary beds are networks of capillaries where the exchange of water, oxygen, carbon dioxide, and many other nutrients and waste substances between blood and tissues occurs.

Umbilical Cord

A flexible cord-like structure containing blood vessels that connect a fetus to the placenta, supplying it with oxygen and nutrients during pregnancy.