McGraw-Hill Online Learning Center Test

1. Review the image and answer the following questions.

What group evolved first and had kidneys with glomeruli and associated Bowman's capsules?

A. amphibians
B. marine teleosts
C. freshwater teleosts
D. reptiles

2. What evolutionary trend is seen in bird and mammal kidneys that is not present in the other groups shown here?

A. evolution of the loop of Henle for water conservation
B. evolution of the renal cortex and medulla
C. evolution of the glomerulus
D. evolution of the Bowman's capsule

3. The sodium-potassium pump moves sodium and potassium in what direction across the cell membrane?

A. sodium out and potassium into the cell
B. potassium out and sodium into the cell
C. sodium and potassium into the cell
D. sodium and potassium outside the cell

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