ES Final Review

Where is most of the Earth's freshwater located?

___ causes air to be denser near Earth's surface.

swamps are commonly found on 

Which of the following would you find in the emergent layer of a trop. rainforest?

The type of hunting that threatens species survival the most is

The "Tragedy of the Commons" describes conflict between

In the troposphere, which of the following decreases as altitude increases

Deserts are

Plants in the understory tend to have

An ecological footprint is the

One way that bacteria and fungi are important to the environment is that they

Which organism is likely to be in the bottom trophic level of a food chain?

What part of Earth encompasses all areas where organisms can obtain the energy they need?

Which of the following is NOT true about temperate deciduous forests?

Watson and Cricks model of DNA's structure is an example of a ______ model.

Which kind of organism obtains energy only from producers?

"Tragedy of the Commons" essay addresses the conflicts associated with what enviro. challenge

__is biodegradable that becomes pollutant if allowed to accumulate faster than it can decompose

The major causes of extinction today are

The ecosystem approach to conservation is partly based on the idea that

Which of the following is NOT one of the compositional layers of Earth

The tundra

Which of the following is NOT a true statement about cellular respiration?

How did the Himalaya Mountains form?

The current rate of species extinction is

Which of the following situations best describes the use of a renewable resource?

Compared to developing nations, developed nations

Currents at the surface of the ocean are driven by

Bacteria in your intestines are an example of mutualism if they

Which of the following is likely to be a pioneer species?

The chance that an earthquake will occur iin your town during the next year is an example of 

Nekton are free-swimming organisms.

Germ plasm is

The Richter Scale best describes the 

In an experiment, the factor of interest is called th

The energy in most ecosystems comes from 

The classification and collection of data that are in the form of numbers is called

Single celled organisms with cell walls but no nuclei are

Which of the following describes soil and temperature in an ecosystem?

Scientists use statistics to

In the ___ zone, the water is cool and dark

Which of the following is NOT a likely component of soil formation during primary succession?

Which  of the following is the most geologically active region on the surface of Earth?

The distance north or south of the equator, as measured in degrees, is called

The energy consumed by organisms

A resident of ____ is likely to leave the largest ecological footprint

Which of the following would be MOST effective in slowing the loss of biodiversity?

An endangered species is

What gas makes up 78% of atmosphere and can only be used by plants when fixed by bacteria first

Most land animals depend on angiosperms for

Without the greenhouse effect, Earth's atmosphere would be ____ to support life

Reduction in the sea otter population affected the Pacific Coast ecosystem by

Most of today's environmental problems began during which period in human history?

Deep currents flow along the 

Which of the following converts nitrogen in the air into a form plants can use?

What are wind and water erosion NOT likely to affect?

The ozone layer is located in the 

Many angiosperms depend on 

As you travel from the North Pole to the equator you would expect to see

The group that does not receive the experimental treatment in an experiment is the

All of these fields contribute to ES except:

Which of the following includes all of the water on or near Earth's surface?

Animals that live in the desert

Which of the following are producers of oxygen?

In which country is the population likely to be increasing most rapidly?

The molten rock that is found in the upper mantle is

Ocean water _____ than freshwater

Estuaries are very productive ecosystems because they receive fresh nutrients from