Biology 2483A Lecture 23: 23-Sample Q.docx
2 Jan 2015
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A: pelagic zone: open water beyond the continental shelves; dominated by plankton: what are four (4) biotic features that could potentially explain the failure of a herbivorous insect to establish on a tropical island. Predators absence of host plant pathogens: describe in words how to differentiate between geometric growth, exponential growth and logistic growth. (3) For both geometric growth and exponential growth the population increases by a constant proportion. However, for geometric growth a population reproduces in synchrony at discrete time periods, whereas for exponential growth individuals reproduce continuously. A resource is a feature of the environment required for growth, survival, or reproduction, and which can be consumed to the point of depletion. In some environments (e. g. the open atmosphere) oxygen concentrations remain stable despite biological activity, while in other environments (e. g. aquatic sediments) oxygen is readily depleted: draw a figure to describe the equilibrium theory of island biogeography. Be sure to properly label all lines and axis labels.
