Exam 27: Conservation Ecology

The area of suitable habitat necessary for maintaining the number of individuals and ensuring the long-term survival of a species should be highest for a

Species richness of terrestrial plants and animals increases with

The end of the Pleistocene epoch was marked by a mass extinction of

As latitude increases, the number of marine species ________.

Designation of a region as a ________ is based on supporting 1500 or more endemic species of plants and more than 70% of the original habitat lost.

In marine environments,

As the structural diversity of plant communities increases, the species richness of animals also increases.

Over the past 600 million years, overall species richness of invertebrates has been increasing.

About 90% of the shallow-water marine invertebrates became extinct at the end of the Permian period.

Species richness in both terrestrial and marine environments generally declines with latitude.

A species with which of these traits is vulnerable to extinction?

A mass extinction of large mammals occurred during the ________ epoch.

Which of these organisms is the most vulnerable to extinction based on the number of threatened species as a percentage of the number of species described and evaluated?

The dispersal of plants and animals from one reserve to another within a network of reserves is best accomplished by

The diverse topography of mountainous regions generally supports more species of plants and animals than the consistent terrain of flatlands.

Small species of mammals are more vulnerable to extinction than large species of mammals.

Explain why the minimum viable population size and the minimum dynamic area varies greatly among species.

Which of the following is NOT an advantage for preserving a large reserve rather than a small reserve?

Species living on ________ are especially vulnerable to extinction by the introduction of exotic, alien, or invasive species.

Discuss three major causes of modern species extinctions. Which is the primary cause?