
Ecology 5th Edition by Manuel Molles
Edition 5ISBN: 978-0070171688
Ecology 5th Edition by Manuel Molles
Edition 5ISBN: 978-0070171688 Exercise 8
Compare the water budgets of the tenebrionid beetle, Onymacris, and the kangaroo rat, Dipodomys, shown in figures 6.9 and 6.10. Which of these two species obtains most of its water from metabolic water? Which relies most on condensation of fog as a water source? In which species do you see greater losses of water through the urine?
Figure 6.9 Water budget of the desert beetle, Onymacris unguicularis (data from Cooper 1982).
Figure 6.10 Water budget of Merriam's kangaroo rat Dipodomys merriami (data from Schmidt-Nielsen 1964).

Figure 6.9 Water budget of the desert beetle, Onymacris unguicularis (data from Cooper 1982).

Figure 6.10 Water budget of Merriam's kangaroo rat Dipodomys merriami (data from Schmidt-Nielsen 1964).
Explanation
Terrestrial animals maintain water level...
Ecology 5th Edition by Manuel Molles
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