Fall Semester Test Study Guide

Nutrients move through an ecosystem in

Much of the world’s human population is growing exponentially because

The primary factors affecting population growth include birthrate, death rate, immigration, and

The study of the complex system of interactions that sustain life on the planet is

Which photo represents the geosphere?

Which of the following organisms is a carnivore?

Refer to the picture for the question.

Which of the following is a renewable resource?

Taiga is a synonym for the

Which term describes the variety of species in a certain area?

Since the Industrial Revolution, human populations have

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

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

The maximum number of individuals of a species that a particular environment can support is its

Using resources in ways that do not cause long-term environmental degradation is called

Which of the following would have the LEAST adverse effect on the environment?

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

Refer to the picture for the question.

The series of steps in which a large fish eats a small fish that has eaten algae is a

The global system that contains most of the life on Earth is the

A salt marsh that prevents flooding of a coastal town is an example of what ecosystem service?

The concentration of gases in the atmosphere that trap heat produce

The first organisms to repopulate an area affected by a volcanic eruption are called

The ability of a city to rebuild after a natural ­disaster such as a hurricane is called

Primary producers are organisms that

The climate zone closest to the equator is

Refer to the picture for the question.

The total amount of living tissue at each trophic level in an ecosystem can be shown in a(n)

Which variable do scientists use to divide the open ocean into two zones?

The major cause of global warming is

Which of the following is NOT true about matter in the biosphere?

Nonliving factors of an environment are

What problem did ecologists identify as a result of studying graphs like this one?

Refer to the picture for the question.

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

Introducing an exotic species to an environment can

The Anthropocene is said to have begun

Air and water pollution have been reduced by

Which of the following correctly describes the growth curve of a bacterial population?

Demographic transition refers to a shift from

The scientific study of human populations is called

All of the following cause global change EXCEPT

DDT was banned for use in the United States because over the long run it is

Average temperatures, precipitation, and wind patterns in an area define its

The biome that supports more species than all other biomes is the