Exam 40: Population Ecology and the Distribution of Organisms

Please use the following information to answer the question(s) below. The eight climographs in Figure 40.1 show yearly temperature (line graph and left vertical axis) and precipitation (bar graph and right vertical axis) averages for each month for some locations on Earth. Choose the climograph that best answers the question. Figure 40.1 -Which climograph shows the climate for location 2?

In which of the following terrestrial biome pairs are both biomes dependent upon periodic burning?

In mountainous areas of western North America, north-facing slopes would be expected to

Figure 40.3 -Which curve best describes survivorship in a marine crustacean that molts (i.e., sheds its exoskeleton in order to grow)?

Which of the following graphs illustrates the growth over several seasons of a population of snowshoe hares that were introduced to an appropriate habitat also inhabited by predators in northern Canada?

Figure 40.2 shows a generalized cross section of the marine environment with various zones labeled with letters. Choose the number that best answers the question(s). Figure 40.2 -Which zone produces the most global oxygen?

The growing season would generally be shortest in which of the following biomes?

Trees are not usually found in the tundra biome because of

Please use the following information to answer the question(s) below. The eight climographs in Figure 40.1 show yearly temperature (line graph and left vertical axis) and precipitation (bar graph and right vertical axis) averages for each month for some locations on Earth. Choose the climograph that best answers the question. Figure 40.1 -Which climograph shows the climate for location 5?

Carrying capacity is

Which of the following statements best describes the effect of climate on biome distribution?

An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile in another woodlot. What was the ecologist comparing?

Please use the following information to answer the question(s) below. In areas of permafrost, stands of black spruce are frequently observed in the landscape, whereas other tree species are noticeably absent. Often these stands are referred to as "drunken forests" because many of the black spruce are displaced from their normal vertical alignment. -What might be the adaptive significance of these unusual forests growing the way they do in this marginal habitat?

Imagine that some cosmic catastrophe jolts Earth so that its axis is perpendicular to the orbital plane between Earth and the sun. The most obvious effect of this change would be

Which of the following choices causes all of the others in creating global terrestrial climates?

Fire suppression by humans

Which of the following levels of ecological organization is arranged in the correct sequence from most to least inclusive?

Figure 40.3 -Which curve best describes survivorship in elephants?

Why do populations grow more slowly as they approach their carrying capacity?

Which of the following groups would be most likely to exhibit uniform dispersion?