Bioee 1610 Prelim 2 Study Guide Rated A+

What type of organism relies on a host, but it does not usually kill it? {Ans: Parasite}A niche for a species of salamander is determined by the density of individuals in the area, soil temperature, amounts of precipitation, and food availability. Thus, the niche would be modeled as a: {Ans: a four-dimensional niche}Which of the following behaviors is most likely to be observed in a predator exhibiting optimal foraging: {Ans: Leaving a patch of prey when encounter rates get low}A hummingbird pollinates a flower while it ingests nectar {Ans: mutalism}When considering the energetic gain of an optimal forager, it is important to consider that there are also energetic costs. {Ans: True}If prey are experimentally protected from predators then, all else being equal: {Ans: Prey numbers may increase but then potentially decrease when resources become limiting}