
Ecology 5th Edition by Manuel Molles
Edition 5ISBN: 978-0070171688
Ecology 5th Edition by Manuel Molles
Edition 5ISBN: 978-0070171688 Exercise 18
The tiger beetle Cicindela oregona (see figs. 6.15 and 6.16) has a distribution that extends from Arizona through the temperate rain forests of Alaska. Why should the amounts of cuticular hydrocarbons vary geographically among populations of C. oregona?
Figure 6.15 A tiger beetle species from a moist habitat lost water at a higher rate than one from a dry habitat (data from Hadley and Schultz 1987).
Figure 6.16 The cuticles of tiger beetles from dry habitats tend to contain a higher concentration of waterproofing hydrocarbons compared to those of tiger beetles from moist habitats (data from Hadley and Schultz 1987).

Figure 6.15 A tiger beetle species from a moist habitat lost water at a higher rate than one from a dry habitat (data from Hadley and Schultz 1987).

Figure 6.16 The cuticles of tiger beetles from dry habitats tend to contain a higher concentration of waterproofing hydrocarbons compared to those of tiger beetles from moist habitats (data from Hadley and Schultz 1987).
Explanation
The tiger beetle Cicindela oregona is di...
Ecology 5th Edition by Manuel Molles
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