Exam 53: Introduction to Ecology Population Ecology

People overpopulation is the current problem in many developing nations.

Figure 53-6 Figure 53-6 represents the age structure diagram of:

An example of a density-dependent factor that influences the size of a population is:

Figure 53-3 According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:

Figure 53-6 Refer to the accompanying figure. Assuming the pattern remains the same, what will the population experience in 50 years?

Differentiate between density-dependent and density-independent factors affecting population growth. Provide two examples for each, along with a brief explanation.

Consumption overpopulation occurs when each individual in a population consumes too large a share of resources.

____ generally have greater population densities than less suitable sites.

Compare and contrast Type I and Type III survivorship curves. Sketch a correctly labeled graph to support your comparison. BONUS: Identify two organisms that represent each of the two types of survivorship strategies discussed here.

Which of the following series correctly represents the hierarchical organization within ecology?

What British clergyman and economist was one of the first to recognize that the human population cannot continue to increase indefinitely?

Organisms such as oysters or fish that produce millions of eggs per year may be characterized as:

The logistic equation:

Figure 53-2 The accompanying figure models a(n) __________-shaped growth curve.

Figure 53-2 Refer to the accompanying figure. At which point on the graph is the population increasing exponentially?

Generally, r -selected organisms exhibit:

Source habitats are areas where reproductive success is less than local mortality.

Figure 53-2 On the accompanying figure, identify the point that indicates the carrying capacity for this population.

In a human population with a high proportion of prereproductive individuals, the population will:

Figure 53-5 Refer to the accompanying figure. A population that produces a large number of offspring, but the offspring must survive independently, would be represented by the curve labeled: