Ecology Unit Test Review

The data in the graph helped ecologists identify which environmental problem?

Which would be least likely to be affected by a density-dependent limiting factor?

Which is NOT considered a sustainable-development strategy for management of Earth’s resources?

Air and water pollution have been reduced by

The graph shows the changes in a mosquito population. What caused the changes seen in the graph

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

What organisms are found in the climax community for this ecosystem?

Which of the following is NOT one of the factors that play a role in population growth rate?

Raising cattle and farming rice contribute to air pollution by

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

Demographic transition is change from high birthrates and high death rates to

A housing development is built in a large city. Which would be LEAST environmentally harmful?

If a population grows larger than the carrying capacity of the environment, the

Which biome is characterized by very low temperatures, little precipitation, and permafrost?

What would likely happen if the population of the bird species shown in the picture decreased?

The graph shows the growth of a bacterial population. What type of growth curve is it?

Countries in the first stage of demographic transition have

How does an area’s weather differ from the area’s climate?

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

An example of sustainable resource use is the use of predators and parasites to

What goes in Box 5 of the food web in the figure?

The goals of biodiversity conservation include all of the following EXCEPT

Matter can recycle through the biosphere because

The “hot spot” strategy seeks to protect species in danger of extinction due to

Imported plants and animals in Hawaii have

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

What is happening to water at D in the figure?

The various growth phases through which most populations go are represented on

The 1930s Dust Bowl in the Great Plains was caused by

A tropical rain forest may not return to its original climax community after which disturbances

A bird stalks, kills & eats an insect. Which pair of ecological terms describes the bird?

If immigration & emigration are equal, the most important factor to a slowed growth rate is:

Which density-dependent factors affected the populations of moose and wolves on Isle Royale?

Water lilies don't grow in desert sand because water availability to these plants in a desert

There are 150 Saguaro cactus per km² in a certain area of AZ. This population characteristic is

Which will reduce competition within a species’ population?

Several species of warblers can live in the same spruce tree ONLY because they

What does the range of a population tell you that density does not?

The size of each generation of offspring is larger than before, so the population grows fast.

Most of the worldwide human population is growing exponentially because

In a logistic growth curve, exponential growth is the phase in which the population

Sea otters live in the ocean. Which of the following is NOT likely to be a limiting factor?

What is one difference between primary and secondary succession?