Exam 5: Sustaining Biodiversity: The Species Approach

Once a harmful non-native species becomes established in an area,they can be easily eliminated by passing international laws to prohibit the transfer of species.

Successful recovery plans under the Endangered Species Act have benefited the

Alien species thrive in new ecosystems because they have long generation times.

What three ecological characteristics of the Blue whale make it vulnerable to extinction?

A slow reproduction rate makes a species especially vulnerable to biological extinction.

Many biologists argue that due to increased fragmented and disturbed habitats throughout the world,speciation may increase for rapidly reproducing opportunists like cockroaches.

Is it an acceptable compromise to save the most charismatic species from extinction since we cannot save all species?

The species that are most likely to survive extinction spasms are ____________________ such as cockroaches and weeds.

Which of the following statements is false?

It is estimated that 10,000 individual organisms are necessary for an endangered species to escape biological extinction.

A 1/1,000,000 species per year extinction rate,which is the estimated continuous rate of extinction in the Earth's history,is called ____ extinction.

____________________ includes collecting wild eggs laid by endangered bird species and then hatching them in zoos or research centers.

Which species has not been introduced into the USA?

____________________ allows species to adapt to environmental changes and can result in new species in the lab.

Egg pulling refers to

Most biologists and wildlife conservationists believe we should protect biodiversity and ecological integrity by implementing all but which one of the following?

We can control invasive species by all but which one of the following ways?

Habitat destruction,introduction of exotic species,and overexploitation can all lead to species ____________________.

"Better safe than sorry" is analogous for

When a species has disappeared from the Earth,it is biologically extinct.