Exam 6: Sustaining Biodiversity: The Ecosystem Approach

Marine reserves are areas where no extraction and alteration of any living or nonliving resource is allowed.

Even if you were to include tree plantations,forests in the United States are significantly smaller than they were in 1920.

A way for consumers to know if they are purchasing environmentally sustainable lumber and wood products is to purchase ____________________.

Major threats to marine biodiversity include all but which of the following?

An emergency action plan to protect the world's most biodiverse areas from imminent threats of degradation and extinction refers to

The removal of a single or small groups of mature trees is called

The removal of large tracts of forestland for human use is called deforestation.

The removal of a band of trees along a natural contour that allows the forest to regenerate naturally within a few years is called

Reducing soil erosion,purifying air and water,and influencing climate are reflective of the ____________________ of forests.

Protected wilderness areas allow all of the following except

A(n)____________________ is the name given to large areas of land that have been consolidated to sustain the biodiversity of the area.

Wilderness areas

Economic services provided by forests include all of the following except

Conservation biologists use emergency action strategies to establish biologically diverse reserves that are rich in plant and animal species and fall under the protection of the "Wilderness Act of 1964."

Approaches to protect tropical forests include all but which strategy?

A well-designed biosphere reserve is composed of all but

Invasive species that threaten biodiversity and ecological function in the Great Lakes include all of the following species except

Old-growth forests can be described by all of the following except they

Clear-cutting on a large scale leads to all of the following except

Forests and woodlands cover about 30% of the earth's land.