Multiple Choice
Why would a disorder of the digestive system disrupt homeostasis in the human body?
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38. Animal Form and Function
Metabolism and Homeostasis
Multiple Choice
Which of the following is the best example of an organism maintaining homeostasis?
A
A bird migrating south for the winter
B
A plant growing toward a light source
C
A human sweating to cool down when body temperature rises
D
A bear hunting for food in the forest
Verified step by step guidance1
Step 1: Begin by understanding the concept of homeostasis. Homeostasis refers to the ability of an organism to maintain a stable internal environment despite changes in external conditions. This includes regulating temperature, pH, hydration, and other physiological factors.
Step 2: Analyze each option provided in the question to determine whether it demonstrates homeostasis. For example, migration (Option 1) is a behavioral adaptation, not a direct regulation of internal conditions.
Step 3: Evaluate the second option, a plant growing toward a light source. This is an example of phototropism, which is a growth response to external stimuli, not an internal regulation process.
Step 4: Consider the third option, a human sweating to cool down when body temperature rises. Sweating is a physiological response that helps regulate body temperature, demonstrating the principle of homeostasis.
Step 5: Review the fourth option, a bear hunting for food in the forest. This is a survival behavior aimed at obtaining energy, but it does not directly involve maintaining internal stability. Therefore, the correct example of homeostasis is the human sweating to cool down.
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