If vertebrates evolved in fresh water,the primary function of the earliest vertebrate nephron was likely
A) the removal of excess water.
B) the removal of excess salts.
C) the removal of excess nutrients.
D) nutrient conservation.
E) water conservation.
Correct Answer:
Verified
Q38: Marine bony fish maintain homeostasis by
A) excreting
Q39: Marine bony fishes handle the excess salt
Q40: A freshwater fish tends to _ water
Q41: Which structure is not part of a
Q42: Which of the following is not a
Q44: A high U/P ratio indicates that an
Q45: At present,there are no osmotic conformers in
Q46: The process of filtration that takes place
Q47: _ urine is produced in the Bowman's
Q48: Refer to the figure below.When a blue
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