APES unit 3

Which of the following best explains why the maximum sustainable yield for ocean fisheries has been exceeded?

Too many fish of reproductive age are harvested

the CITIE treaty has been helpful in protecting endangered animals and plants by

listing those species and products whose international trade is controlled

which of the following would likely reduce the threats posed by exotic species to native species

1 and 3

Which of the following best describes legislation that could be used to address problems with overfishing?

CITES uses trade rules to protect commercially valuable species

Which of the following best identifies the scientific question that would guide this investigation (mercury and shrimp)?

How much mercury accumulates in the tissues of freshwater shrimp living in a polluted pond?

Which of the following is a way to potentially eliminate one of the greatest threats to the world's mangrove wetlands?

Integrate ecologically sound shrimp aquacultural practices with mangrove management

Which of the following solutions would best address the issues of greatest concern in the community?

Planting mangrove forests

Scientists are interested in determining if selenium, from a nearby mine, magnifies in the tissues of fish living in a lake. Which of the following best described a testable hypothesis for the study?

Selenium will be at a higher concentration in fish tissue than the tissue of fish prey

It has been observed that forest fires can produce up to 40 percent of the mean annual global emissions of which of the following gases?

carbon dioxide

Which of the following will best test the hypothesis (hikers)?

comparing plant survivorship in areas where hikers stay on the trail with plant survivorship in the area where hikers leave the trail

Sustainable use of forests in the United States would likely be encouraged by

cutting small groups of medium and large sized trees in uneven aged forests

Which of the following is a major goal of the program begun in 1995 to reintroduce the gray wolf into Yellowstone National Park?

enable the removal of the gray wolf from the endangered species list

Contains an amendment that allows private landowners to modify their property under a habitat conservation plan

endangered species act

Which of the following conclusions is best supported by the data (seed production)?

habitat fragmentation has more effect on seed production than does population density?

Which of the following actions would be most likely to increase the protection of ecological systems in national forests?

mandate that the government sale of logging rights in national forests be at fair market value

road construction, logging, and mining are banned in which of the following federal lands?

national wilderness preservation areas

Although the use of DDT was banned in the US in 1972, a test of the body tissue of an average US resident today would most likely reveal the presence of DDT because

other countries that export produce to the US still use DDT

Select the letter of the row that indicates the site with the most successful forest reclamation

row e