Animal Ecophysiology MCQS January 8, 2026March 26, 2024 by u930973931_answers 20 min Score: 0 Attempted: 0/20 Subscribe 1. What is ecophysiology? (A) The study of animal physiology in relation to their environments (B) The study of animals in their natural environments (C) The study of animal behavior (D) The study of animal genetics 2. Which of the following is an example of an environmental factor affecting animal physiology? (A) Genetic makeup (B) Social interactions (C) Animal behavior (D) Temperature 3. How do animals adapt to cold environments? (A) By increasing metabolic rate (B) By decreasing metabolic rate (C) By decreasing body size (D) By decreasing food intake 4. What is the primary purpose of thermoregulation in animals? (A) To increase reproductive rates (B) To adapt to changing climates (C) To hibernate during winter months (D) To maintain a constant body temperature 5. Which of the following is a strategy used by desert animals to conserve water? (A) Increased water consumption (B) Increased sweating (C) Reduced urine production (D) Increased metabolic rate 6. How do animals regulate osmotic balance in freshwater environments? (A) By excreting excess salts (B) By conserving water (C) By increasing salt intake (D) By decreasing blood volume 7. What is the role of gills in aquatic animals? (A) To exchange gases (oxygen and carbon dioxide) (B) To regulate body temperature (C) To store excess nutrients (D) To synthesize hormones 8. Which of the following is a physiological adaptation of high-altitude animals? (A) Increased lung capacity (B) Decreased heart rate (C) Increased blood oxygen levels (D) Decreased red blood cell production 9. How do animals cope with limited food availability in their environments? (A) By increasing reproductive rates (B) By increasing body weight (C) By migrating to new habitats (D) By reducing metabolic rate 10. What is the significance of torpor in animal ecophysiology? (A) It helps conserve energy during periods of inactivity (B) It increases metabolic rate (C) It accelerates growth rates (D) It enhances immune function 11. Which of the following is an example of a behavioral adaptation in animals? (A) Increased heart rate during exercise (B) Migration patterns (C) Cellular respiration (D) Synthesis of hormones 12. How do animals maintain acid-base balance in their bodies? (A) By consuming acidic foods (B) By reducing water intake (C) By decreasing blood pH (D) By excreting excess acids through urine and respiration 13. What is the role of fat storage in animal ecophysiology? (A) To regulate body temperature (B) To store energy for lean periods (C) To increase water retention (D) To synthesize vitamins 14. How do animals regulate blood glucose levels? (A) By consuming high-sugar diets (B) By increasing blood volume (C) By decreasing insulin production (D) By storing excess glucose as glycogen 15. Which of the following is a physiological response to high-altitude environments? (A) Increased lung capacity (B) Decreased breathing rate (C) Decreased heart rate (D) Increased red blood cell production 16. What is the significance of hibernation in animal ecophysiology? (A) It increases metabolic rate (B) It helps animals survive extreme cold temperatures (C) It reduces reproductive rates (D) It decreases food intake 17. How do animals regulate body temperature in response to hot environments? (A) By decreasing sweat production (B) By increasing metabolic rate (C) By reducing water intake (D) By seeking shade or burrowing underground 18. What is the function of antifreeze proteins in cold-adapted animals? (A) To increase body temperature (B) To reduce metabolic rate (C) To prevent ice formation in body tissues (D) To enhance oxygen transport 19. Which of the following is a physiological adaptation to low-oxygen environments? (A) Decreased blood flow to vital organs (B) Decreased heart rate (C) Decreased lung capacity (D) Increased red blood cell production 20. What is the role of brown adipose tissue in thermoregulation? (A) To store excess glucose (B) To regulate blood glucose levels (C) To produce heat through non-shivering thermogenesis (D) To synthesize hormones