A Lizard Lives in a Desert Environment Where the Temperature

question 35

Multiple Choice

A lizard lives in a desert environment where the temperature is low at night and high during the day. What might this animal do to maintain the most stable body temperature?

• A) Stay in a burrow during the night and shuttle between the sun and shade on the surface during the day
• B) Stay on the surface during the night and move to a burrow during the day
• C) Increase metabolism and heat production during the night and decrease it during the day
• D) Decrease metabolism and heat production during the night and increase it during the day.
• E) Move into a state of hypothermia during the night and a state of torpor during the day.

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Definitions:

Lysozyme

An enzyme found in saliva, tears, and other secretions, capable of breaking down bacterial cell walls and serving as an innate defense mechanism.

Enzyme

Protein that acts as a catalyst.

Bacteria

Single-celled, microscopic organisms that can be found in almost every environment on earth, some of which are beneficial and others harmful to humans.

Macrophages

Large phagocytic cells found in tissues or as mobile white blood cells at sites of infection, playing essential roles in the immune response and tissue homeostasis.