Chapter 12: Sustaining Biodiversity

About ____ of today's crops were domesticated from wild tropical plants.

According to E. O. Wilson, most people feel a sense of affinity toward the natural world.

Since Europeans first settled North America, __ of the tall-grass prairies in the U.S. are gone

In conservation biology, MVP refers to

All of the following are organisms imported into the U.S. that caused damage except

Flyways are

Transporting of live or dead wild animals across state lines without a federal permit

An endangered species is any species that can

mathematical models indicate that organisms most vulnerable to habit loss may be the

The group of animals most protected by wildlife refuges are

Which of the following leads to a decrease in biodiversity?

The following is almost extinct because its prime source of food has been killed by poison

A biologists is most likely to say that the passenger pigeon is

Egg pulling refers to

Which of the following invasive species has had a major impact on native bird and reptile pop?

the greatest threat to most species is

People regard wildflowers, as beautiful, this is evidence that they have ___ value

Seed gene banks are

Identification and listing of endangered species is done by the

Illegal hunting for profit is called

The passenger pigeon became extinct in

CITES is a(n)

Fruit-eating bats on many tropical islands are

Wilderness species would be expected to flourish BEST in

The timber wolf is extinction prone because of its

All of the following characteristics would make a species more prone to extinction except

Which of the following nonnative organisms account for the greatest annual economic loss?

The blue whale is extinction prone for all of the following reasons except

About 1/2 of the species on the U.S. endangered species list are there in part because of?

Moderate-size, old-growth forest refuges are required by

Which of the following is least responsible for the strong decline in elephant populations?

The California condor and whooping crane are

Which of the following leads to an increase in biodiversity?

All the following are candidates or have been delisted from the endangered species act except

Weedy pioneer species are found primarily in

The type of species that offers the best opportunity to apply the prevention principle is the

The greatest species terminator is habitat destruction of

The country with the highest number of mammal species threatened with extinction is

The grizzly bear and American alligator are

Based on the data in the graph, altering human activity in which of the following areas will most benefit plant species?

Bats are endangered for all of the following reasons except that

The current extinction crisis differs from previous mass extinctions in that

The entity responsible for creating the "Red List" is the?

The whooping crane is vulnerable to extinction because of