Questions from Chapter 18: Test questions will be selected from these questions. Note: the actual test will be multiple choice, but the choices are not listed here...

What was the name of the author mentioned in Chapter 18 as being an early pioneer in the area of conservation and environmental ethics?

Name two species that were hunted to extinction in the U.S.A. over the past 200 years.

Give an example of a species that was hunted almost to extinction in the U.S., but which has made a remarkable recovery as a result of protection and re-introduction into areas that it used to inhabit

Which results in more animals deaths in the U.S.A. today -- hunting or road kills?

Why were snowy egrets hunted almost to extinction in the late 1800s in the U.S.A.?

What act, passed by congress in 1900, forbade interstate commerce in illegally hunted wildlife?

What is the difference between and endangered species and a threatened species?

What is one major shortcoming of the Endangered Species Act?

Since enactment of the Endangered Species Act, approxiamately how many species have been removed from the list of Endangered Species?

What are three criticisms that are often levelled at the Endangered Species Act?

Angry protests errupted when sections of a beach on Plum Island, north of Boston, were closed in 1991. This beach was closed to protect what species?

Is this statement true or false: Scientist believe that most species on earth today have been examined, named and classified.

What are two different types of values that can be given to wild species?

What type of value does a species have when it benefits another species?

What type of value does a species have when it has value for its own sake?

Which tend to have the most vigor -- cultivars or wild species?

Chemical coompounds extracted from the rosy periwinkle in Madagascar were found to be useful for ...... ?

Give three examples from the text of species from which chemicals were extracted that proved to be useful in medicine.

Wild plant and animal species are estimated to contribute about _____ percent to the entire U.S. gross domestic product annually.

Approximately how many different species have been identified and described?

Which group has the greatest number of individual described species?

Which group has the lowest number of individual described species?

How many species did E. O. Wilson conservatively estimate go extinct each year because of man's destruction of tropical forests?

What species is given as an example of a species that has become extinct because of fragmentation of its habitat?

What event is thought to have resulted in mass extinctions 65 million years ago?