How would the kidneys respond to a decrease in blood pH caused by a high protein diet?
A) Increased HCO3- secretion and H+ reabsorption
B) Increased secretion of both H+ and HCO3-
C) Increased reabsorption of both H+ and HCO3-
D) Increased H+ secretion and HCO3- reabsorption
E) Increased production of renin and ADH
D
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The most likely explanation for why toothed whales have a blowhole is
A. they evolved from an animal with gills. B. they evolved from an animal with nostrils. C. blowholes are better for large animals. D. blowholes are better for breathing underwater than gills are.
Reinforcement refers to the development of ________-zygotic factors and is typically more rapid in species living in __________
A. pre; allopatry B. pre; sympatry C. post; allopatry D. post; sympatry
Red imported fire ants are an invasive species in United States. How have they harmed the Texas horned lizard, which feeds on native ants?
a. They act as parasites on the lizards. b. They are poisonous to the lizards. c. They damage the lizard's breeding area. d. They increase the amount of predatory birds, which eat lizards. e. They have replaced many native ant populations, so the lizards have less food.
Acid deposition is the result of interference with the ________ cycles
A) sulfur and hydrologic B) sulfur and phosphorus C) sulfur and nitrogen D) hydrologic and nitrogen E) hydrologic and phosphorus