ENVS 104 CH 7 12 review

Which of these is NOT an ecosystem service of wetlands?

Of the freshwater we use, how much is for agriculture?

The most species rich aquatic ecosystems are:

The breakdown of large rocks into smaller pieces is called

A flooded freshwater forest =

Most of the crops grown from Oklahoma to South Dakota are irrigated using:

No-till agriculture has which of the following benefits?

Alternating the type of crop that is grown each year =

The area where rivers flow into the ocean, mixing fresh and salt water =

Certified “organic” food must be grown without the use of pesticides, so it mostly relies on GMOs.

Aquaculture is only used for saltwater fish, not freshwater.

A non-consumptive use of water would be

Grassy areas along flat temperate coastlines =

Which state is NOT a part of the Colorado River compact?

Which pool holds the most fresh water?

An area of land where all water drains to the same river

The water from precipitation that flows on the soil surface into nearby streams is called:

Integrated pest management (IPM) does not include the use of pesticides.

The boundary separating the saturated and unsaturated zones of an aquifer is called:

Which of the following did NOT contribute to the Green Revolution?

How much of the world's water is fresh water (not saltwater)?

How much of the world's fresh water is frozen?

Using a living organism to control pests is the definition of:

Climate change will cause which of the following:

Since 1940, worldwide food production had grown ________ than the human population.

Planting a variety of crops in a field =

Concentrating livestock on small pastures for short time periods can improve soil and increase sustainability.

The large gains in agricultural production from the 1940s -1980s is referred to as the

Which of the following biomes provides the most ecosystem services?

All GMOs decrease the need for pesticides.

Plowing perpendicular to the slope =

A GMO can not be made by mixing genes from different kingdoms (like fungi with plants or animals).

Which food creates the fewest GHG emissions during production?

The release of water vapor by plants through their leaves is

Tropical forests that occur in the tidal zone along coastlines

Which of the following is affecting coral reefs?

The greatest threat facing ocean ecosystems is