Answers FL-2106310-United States GovernmentPrescriptive Test

Prescriptive Test — Unit test Answers

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It is best to say that restoring and protecting estuaries and wetlands _______.

helps prevent pollution in coastal waterways

results in higher juvenile fish mortality

improves the health of coastal ecosystems

has no impact on fish populations

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Nanotechnology is proving ineffective at helping clean up PCB’s.

Efforts to restore wetlands and forests along the coast will most likely _______.

benefit the economy by providing jobs

improve wildlife populations

reduce soil erosion and flooding in coastal areas

all of the above

During the summer, after a big storm blows through, David notices leaks from his air conditioner. Which of the following is the best explanation of the contributing factor for this problem?

The storm damaged the air conditioner.

The make and model of the air conditioning unit is not compatible for his house.

David has been using his air conditioner too much this summer.

The air conditioner was vandalized.

It is rare to prove a hypothesis as incorrect through experimentation.

Cod has been a commercially important fish species since _______.

the 13th century

the discovery of North America

the 1960’s

the 1980’s

What is the biological impact of minimum catch sizes on a population of fish?

The population comes to be dominated by smaller, slower-growing individuals.

Older, less productive adults are removed, improving the population’s health.

It applies a selective pressure for larger, faster growing fish.

The fish in the population produce more and healthier eggs to compensate.

A valid hypothesis must be testable.

Why should fishery managers not view cod stocks as separate from other fish stocks such as capelin and mackerel?

These fish species all form schools together and are therefore caught together.

Capelin and mackerel both compete with cod for ocean floor habitat.

These populations of these fish species are all related through the ocean food web.

There is no reason for fishery managers not to view cod stocks individually.

Julia notices that the “check engine” light comes on while driving her car on days with temperatures of over 100 degrees. What could be a plausible explanation for this?

Her engine needs to be replaced.

Her engine overheats when the temperature outside is over 100 degrees.

Her engine cannot withstand high temperatures.

Julia cannot drive her car on days when it is over 100 degrees outside.

Why did Canada extend its territorial waters out to 200 nautical miles in the 1970’s.

to protect and conserve Canada’s cod stocks

to protect the resources for domestic exploitation

to annoy U.S. fishermen

to restrict cod fishing practices