The lithosphere is carried on a softer, but still firm, layer of rock called the

Which sphere are humans a part of?

A change in state in which water returns to Earth's surface from a vapor to a liquid is called

"All living things and their physical environment within a given area" best defines

The easiest component of biodiversity to measure is

Which is the most direct way in which biodiversity can provide a source of income?

Day-to-day conditions in Earth's atmosphere, such as “sunny and humid,” describe

What percentage of Earth's surface is covered in water?

Which type of area would Miami, Florida be considered?

What is one of the primary factors that draws people from rural areas to urban areas?

A jackhammer on a city street is an example of what type of pollution?

Sprawl increases carbon dioxide emissions by

Which form of transportation uses the most energy per passenger-mile?

A person holding a sign during a protest against cutting down trees in a forest would be considered a(n)

A natural resource that is naturally formed much more slowly than we use it is called

Which of the following is an example of a renewable resource?

Which of the following is an example of a nonrenewable resource?

Which statement about science is true?

A human-centers view of our relationship with the environment is known as

Fish, cattails, frogs, water lilies, dragonflies, and all the other living things in a pond make up

A grassland experiences a drought that causes most of the plants to die and several watering holes to dry up. The antelope that live on the grassland experience a decrease in population because water and plants are key

Each step up the food chain, concentrations of toxicants can be greatly multiplies in a process called

When stress built up in tectonic plates is suddenly released, the energy causes the planet to shake, a phenomenon called a(n)

Mudflows and ash clouds are some major dangers of

Which of the following effects are always associated with a tornado?

Renewable resources include soil, fresh water, wild animals, and

The clearing of a forest and its replacement by another land use is called

A renewable resource is harvested sustainably if

Most of Earth's fresh water is used for

A process in which an event acts as both an input and output of the same system is called a(n)

The thin layer of rock that forms Earth's outer skin both on dryland and in the ocean is called Earth's

Which of Earth's spheres consists of the layers of gases surrounding our planet?

What function does carbon dioxide play in Earth's atmosphere?

Water which returns from the atmosphere to Earth's surface as rain or snow is called

Nutrients circulate endlessly throughout the environment in complex cycles called

What is the term for organisms, including plants and algae, that create their own food?

In extreme cases, eutrophication can lead to extremely low levels of oxygen in a body of water as decomposers break down all the dead producers, a condition called

Which of the following are common sources of phosphorus?

What is an invasive species?

Sustainability is

“Going green” means

What natural resource may be fought over in the future?

You’ve been noticing that a local pond is developing green scum that is getting thicker and thicker. When you look into the water, you see fewer fish and other animals than you used to, and you see fewer birds around the pond. What has occurred?

Human activities that have the most impact of the Carbon cycle are:

The type of shellfish that has traveled in the ballast water of ships from across the globe to the U.S. and is an invasive species is the

The amount of energy lost between trophic levels is

The name of pollution that is not easily traced back to one source is called

Which career would not benefit from biodiversity as much as the others?

Climate describes

Weather is

An affluent society

What is a consequence of a warming earth?

The greenhouse effect is caused by

The term that describes the surface characteristics of an area, including its elevation and features is

Types of fuel, such as coal, that cause air pollution when burned

The layer of the atmosphere thought to be breaking down because of air pollution

Process by which wastes are converted into new products and materials

The study of the interaction of living organisms with their environment

The term used to denote increasing concentration of pesticides and other pollutants in the food chain

A collective term for animals in the environment

A collective term for plants in the environment

The nonliving factors of an organism’s environment

The living factors of an organism’s environment

Fog-like pollution caused by automobile emissions

Process that can lead to the death of a body of water from pollutants

An environmental polluting agent found in some detergents

The type of pollution in which water is heated

Chemicals that kill unwanted insects are called

The term “global climate change” refers to