Animal Homeostasis
Biology ⇒ Animal Biology
Animal Homeostasis starts at 9 and continues till grade 12.
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Describe how behavioral responses can help animals maintain homeostasis.
Describe how the body responds to a drop in blood pH.
Describe how the skin contributes to homeostasis in mammals.
Describe one example of a positive feedback mechanism in animals.
Describe the difference between endotherms and ectotherms in terms of thermoregulation.
A marathon runner is sweating profusely during a race on a hot day. Explain the physiological mechanisms that help maintain the runner's internal temperature and fluid balance, and discuss the potential consequences if these mechanisms fail.
A patient has a genetic mutation that causes their insulin receptors to be nonfunctional. Predict and explain the effects this would have on their blood glucose regulation and overall homeostasis.
A sudden drop in environmental temperature causes a mammal's metabolic rate to increase. Explain the physiological basis for this response and its significance for homeostasis.
Which hormone lowers blood glucose levels? (1) Glucagon (2) Insulin (3) Adrenaline (4) Cortisol
Which of the following animals is an ectotherm? (1) Human (2) Dog (3) Lizard (4) Whale
Which of the following best defines homeostasis in animals? (1) The process of growth and development (2) The maintenance of a stable internal environment (3) The ability to move in response to stimuli (4) The process of reproduction
Which of the following best describes osmoregulation? (1) Regulation of body temperature (2) Regulation of water and salt balance (3) Regulation of blood pressure (4) Regulation of hormone levels
Fill in the blank: The ________ feedback mechanism amplifies changes rather than reversing them.
Fill in the blank: The ________ system and the endocrine system work together to maintain homeostasis in animals.
Fill in the blank: The ________ system is responsible for rapid communication and coordination of homeostatic responses.
Fill in the blank: The hormone ________ is released by the pancreas when blood glucose levels are low.
True or False: Endotherms rely primarily on external sources of heat to regulate their body temperature.
True or False: Homeostasis is only necessary for multicellular organisms.
True or False: Homeostasis only involves the regulation of body temperature in animals.
True or False: Homeostatic mechanisms always restore the original set point after a disturbance.
