Explain why the majority of marine organisms are benthic
What will be an ideal response?
The ocean floor contains numerous benthic environments (such as rocky, sandy, muddy, flat, sloped, irregular, and mixed bottoms) that create different habitats to which organisms have adapted. On the other hand, most of the pelagic environment—especially that below the sunlit surface waters—is a watery world that is quite uniform from one region to the next and does not experience extreme environmental variability to which organisms need to be adapted in order to survive.
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The U.S. Department of Agriculture has become increasingly concerned about soil erosion, because expansion of agricultural activities between 1982 and 1992 resulted in sharp increases in rates of soil erosion loss from farmland.
Answer the following statement true (T) or false (F)
The number of international tourists has ________ during the last two decades
A) remained the same B) shrunk C) more than doubled D) more than quadrupled E) increased ten-fold
Construction of Cochiti Dam may have altered flood dynamics on the Rio Grande. Therefore, it may be more reasonable to evaluate the recurrence interval of the flood you identified in question 3, by only considering the flood record from 1974 to 1999
Recalculate the recurrence interval of the flood you identified in question 3, using only this shorter record. Show your calculations. What will be an ideal response?
What type of estuary is characterized by rapid river flow and low tidal range?
a. Salt-wedge estuary b. Fjord estuary c. Partially-mixed estuary d. Tectonic estuary e. Well-mixed estuary