Which of these are most likely to excrete a semi solid nitrogenous waste?
Correct answer: B. Malpighian tubules
- A. Nephridia
- B. Malpighian tubules
- C. Human kidneys
- D. All of these
Explanation
The correct answer is Malpighian tubules. These are excretory systems found in insects that help in the removal of nitrogenous wastes in the form of uric acid, which is excreted as a semi-solid paste to conserve water.Nephridia are found in annelids like earthworms and excrete waste in liquid form. Human kidneys process waste into urea, which is excreted in a liquid form called urine. Therefore, the other options are incorrect as they do not excrete semi-solid nitrogenous waste.
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About Homeostasis
Homeostasis maintains a stable internal environment through the kidney and urinary system, thermoregulation and excretion. The kidney topics include filtration, selective reabsorption, urine formation and water balance, while thermoregulation involves sweating, vasodilation, vasoconstriction and hormonal control; excretion is different from egestion, which removes undigested food.
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