The characteristic which enable animals to tolerate dehydration is called__________?
Correct answer: C. Anhydrobiosis
- A. Osmoconformation
- B. Osmoregulaton
- C. Anhydrobiosis
- D. Anhydrosis
Explanation
Anhydrobiosis is a state in which an organism tolerates extreme dehydration by greatly reducing metabolic activity until water returns. Students may choose osmoregulation because it controls water and solute balance, but osmoregulation does not mean surviving almost complete drying.
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About Excretion
Excretion removes metabolic wastes such as carbon dioxide, urea and excess salts, and differs from egestion, which removes undigested food. Questions cover kidney structure, nephron ultrafiltration, selective reabsorption and urine formation, along with the excretory roles of the lungs, skin and liver in maintaining homeostasis.
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