Here is a schematic drawing of the 90-ft dome used by the U.S. National Weather Service to house radar in Bozeman, Montana.
a. How much outside surface is there to paint (not counting the bottom)?
b. Express the answer to the nearest square foot.
Two models of community organization are common: BottomUp and TopDown model. The V H (V for Vegetation and H for herbivore) linkage suggests a bottomup model, which postulates unidirectional influence from low and high tropic levels. In this case, the presence or absence of mineral nutrients (N) controls plant numbers, which control herbivore numbers, which then control the number of predators (P). The simple bottomup model looks like this N V H P. In contrast, the topdown model suggests the opposite. Predation mainly controls community organization because the predators limit the herbivores, herbivores limit vegetation, and vegetation limit nutrient levels through nutrient uptake. The simplified version looks like this, N V H P, this is also called th