Environmental Themes - Exam #2 Review

A keystone species is easily replaced if removed from an ecosystem.

Ecological succession and evolution occur on different timescales

Which of these levels of biological organization is the smallest?

Conservation biology is not concerned with

Species richness is

Which of these is NOT a way in which water moves across the landscape?

Which of these is NOT a primary producer?

An aquifer is an example of surface water.

Energy cycles through ecosystems, being recycled and reused

When are you presenting your group's biome slides?

The process of community development over time, in which species of one stage replaces another, is called

An organism native to a particular region is called

The greatest threat to biodiversity is

>70% of world’s total fresh water is used for

The prefix "eco-" is Greek for

Which of these provides evidential support for the Theory of Evolution?

The area bordering a river channel that has the potential to flood is called

Water resources are unequal on both global and regional scales in what ways?

Which of these is a source of nitrogen fixation?

Which of these biogeochemical cycles were NOT covered in class?

Which of these is an example of ex situ conservation?

What country is the Svalbard Global Seed Vault in?

Which of the following cycles is least understood?

In the Colorado River Basin, Native American tribes with water rights are assured access to that water.

"Food web" and "food chain" are interchangeable terms.

Which of these is NOT an example of surface water?

The best way to preserve biodiversity is by protecting habitat.

Which of these is NOT TRULY an abiotic environmental factor?

NYC's water supply is unique in that it is unfiltered.

The sea located in the former Soviet Union that has most of its water diverted and is now nearly dry is

Which of the following is not an assigned biome for you presentations?

The frog in this food web is a

An ecosystem is the same thing as a community

Biomes are not influenced by

Which of these is NOT a category of water resource problems?

Which of these encompasses the other three?

Climax communities are the stable outcome of succession, when the ecosystem reaches equilibrium.

The Ogallala Aquifer is the largest aquifer in the United States and is located in the

The Second Law of Thermodynamics is "as energy is converted from one form to another some is degraded into heat"

Which of these is NOT a product of photosynthesis?

Increasing the amount of impervious cover (urbanization) leads to more storm water runoff.

Phosphorus has no atmospheric component to its cycle.

Which of these is NOT a potential consequence of aquifer depletion?

Decomposers are present at every trophic level.

There are less than 10 days left to register to vote in the upcoming election

Private property owners are financially compensated for losses related to endangered species on their property.

How many mass extinction events have occurred so far?

All biomes occur in both the northern and southern hemispheres.

Evolution occurs at what biological level?

How much of Earth's water is available for human use?

In the hydrologic cycle, as water moves from the ocean to the atmosphere, clouds are formed through what process?

Which of these is NOT a type of symbiotic relationship?

What does CITES refer to?

An evolutionary modification that improves fitness in a given environment is called a(n)

How many species are listed as endangered or threatened?

When primary succession begins, what abiotic environmental component is missing?

Structures used to facilitate upstream fish migrations are called

Which of these is a long-term store of carbon?

What is watershed?