Exam 6: Sustaining Biodiversity: The Ecosystem Approach

The reintroduction of the gray wolf has reduced biodiversity in the Yellowstone National Park ecosystem.

Critical Thinking -List three potential harmful effects that could have occurred after the dirt road in the accompanying figure was built in the area.

The ____________________ to sustaining biodiversity involves protecting habitats, biodiversity and ecological services instead of individual species.

Wolves were reintroduced to the Yellowstone ecosystem in ____.

Identify three major economical and three major ecological benefits of forest ecosystems.

Mangrove forests are important ecosystems in which fish species spawn.

The process of returning a degraded habitat or ecosystem to a condition as similar as possible to its natural state is known as

In general, marine biodiversity is greatest in

The creation of an human-managed wetland is an example of a(n) ____________________.

Rapidly growing coastal development, along with increased sedimentation of coastal waters makes protecting ____________________ difficult.

More freshwater fish are threatened with extinction than any other type of species.

Marine areas where no human activity is allowed are called

Forest fires are common natural occurrences in healthy rain forests.

Excluding Greenland and Antarctica, forests cover about 31% of the earth's land.

Since 1986, the World Conservation Union has helped establish a global system of ____________________, which provide oceans with partial protection from human activities.