Each organism of a species has assumed, in evolutionary history a specific set up of _ at various levels of organization suitable to its surroundings.
Correct answer: A. Internal environment
- A. Internal environment
- B. External environment
- C. Intracellular environment
- D. Intercellular environment
Explanation
Homeostatic arrangements in each organism have acquired perfection through evolution and now each species have its own arrangement.
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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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