Environmental Engineering Reference
In-Depth Information
QUESTIONS FOR THOUGHT
1. What constrains Crustacea from reaching the size of humans?
2. What groups of invertebrates do you think are most likely to contain
undescribed species? Why?
3. Why do most aquatic insects leave the water to mate?
4. Why has behavior evolved to be more complex, but biochemistry
less complex, in animals in comparison to microorganisms?
5. Why are aquatic insects rare and not diverse in marine habitats
relative to freshwater habitats?
6. Why are animal assemblages of lakes generally less diverse than
those in streams?
7. How have animals adapted to subsurface habitats?
8. Why is life span tied to the utility of various freshwater animals for
use in biotic assessment indices?
9. Why are there more species of Crustacea than mammals and various
birds?
10. Why do fish that are ambush predators have a different morphology
than piscivorous species that forage in the pelagic zone?
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