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- 1. Multiple ChoiceThe maintenance of an organism’s internal environment is called:compensatinghomeostasisbalancingroutine
- 2. Multiple ChoiceIf the environment gets cold, we will often shiver in order to:keep body temperature the same as the external temperaturedecrease body temperatureincrease body temperatureregulate blood pressure
- 3. Multiple ChoiceHomeostasisallows for a wildly fluctuating internal environmentis impossible in vertebratesis the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulationis the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
- 4. Multiple Choice
Why is the sensation of thirst important to maintaining homeostasis?
Water removed by the kidneys must be replaced
Oxygen cannot diffuse into cells if a person is dehydrated
Water molecules are needed to carry carbon dioxide waste to the kidneys
- 5. Multiple Choice
Why does pulse rate increase during exercise?
Oxygen and carbon dioxide must be removed from the body ASAP
Gas exchange must happen more quickly than when a person is at rest
Oxygen must be moved to the lungs and carbon dioxide must be moved to cells more quickly
Carbon dioxide must be moved to the kidneys to be excreted
- 6. Multiple Choice
The group of organisms that use the process of homeostasis includes
mammals, only
animals, only
plants and animals
all living things
- 7. Multiple ChoiceThe tendency of an organism to maintain a balanced state in order to stay healthy.StimuliResponseTropismHomestasis
- 8. Multiple Choice
If a person's blood cells shrivel (shrink) their blood is likely
isotonic
hypotonic
hypertonic
- 9. Multiple Choice
Which of the following is most likely to cause a person's blood cells to burst?
eating many salty foods
eating many greasy foods
drinking small amounts of water
drinking very large amounts of water
- 10. Multiple Choice
Which of the following is NOT an example of homeostasis?
A human producing gametes
A plant bending toward sunlight
A bird drinking water when thirsty
A dog stealing chicken off the kitchen counter when hungry
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