Unit 7 Ecology Test

Why is an organism’s niche like a person’s occupation

A wolf pack hunts, kills, and feeds on a moose. In this interaction, the wolves are

Ideally, sustainable development should

Which two biomes have the least precipitation?

Figure 4-2 shows succession in an ecosystem. What organisms are found in the climax community for this ecosystem?

How do most primary producers make their own food

The graph in Figure 5-1 shows the growth of a bacterial population. Which correctly describes the growth curve?

In what way are herbivores and carnivores alike

Which are two ways a population can decrease in size?

Which density-dependent factors other than the predator/prey relationship affect populations of moose and wolves

A town in Texas covers 14 square kilometers. There are 420 individuals who live there. What is the population density?

When the exponential phase of a logistic growth curve of a population ceases,

Several species of warblers, a type of bird, can live in the same spruce tree ONLY because they

How is parasitism different than commensalism?

Which of the following is a density-independent limiting factor?

The map in Figure 6-4 above shows the ecological footprints for the world’s countries. What conclusions can be drawn?

Carbon cycles through the biosphere in all of the following processes EXCEPT (use figure 3-7)

The movements of energy and nutrients through living systems are different because

Which is an example of how biotic and abiotic factors interact?

A housing development is being built around a large city. Which of the plans would be the LEAST environmentally harmful

What is the term for each step in the transfer of energy and matter within a food web?

The algae at the beginning of the food chain in Figure 3-1 are

Which of the following statements is NOT true about the open ocean?

How does an areas weather differ from an areas climate?

What goes in Box 5 of the food web in Figure 3-2

Corn planted in a field that has been previously planted with legumes and then plowed under is likely to be

If a population grows larger than the carrying capacity of the environment, which of these is likely to happen?

The data in the graph in Figure 6-5 above helped ecologists identify which environmental problem?

The goals of biodiversity conservation include all of the following EXCEPT

Only 10% of the energy stored in an organisms can be passed along to the next trophic level. The remaining energy is

The theory that helping family members survive increases the chances that one’s genes will pass along to offspring is

It is advantageous for grazing animals to gather in groups, because groups

You could conclude that a behavior is innate rather than learned if you showed that

As DDT moves up the trophic levels in food chains or food webs, it’s concentration

Which factor might NOT contribute to an exponential growth rate in a given population?

What would happen if the population of the bird species shown in the ecosystem in Figure 4-1 were to suddenly decrease

Using figure 5-2, what is the most likely cause of the decrease in moose population between 1975 and 1980

Which of the following graphs is a graph showing exponential growth

People move to railroad tracks, and are awaken when the trains go by. Which of the following is a result of habituation?

Which of the following descriptions about the organization of an ecosystem is correct?