Chapter 44, Problem 2
Which process in the nephron is least selective? a. filtration b. reabsorption c. active transport d. secretion
Video transcript
Unlike an earthworm's metanephridia, a mammalian nephron a. is intimately associated with a capillary network. b. functions in both osmoregulation and excretion. c. receives filtrate from blood instead of coelomic fluid. d. has a transport epithelium.
Which of the following animals generally has the lowest volume of urine production? a. vampire bat b. salmon in fresh water c. marine bony fish d. freshwater flatworm
In which of the following species should natural selection favor the highest proportion of juxtamedullary nephrons? a. a river otter b. a mouse species living in a temperate broadleaf forest c. a mouse species living in a desert d. a beaver