Question

We would expect to find the greatest diversity of species on

Answer 1

an old growth forest in Washington State; a desert outside of Las Vegas, Nevada

In a community, biodiversity can be measured by _____.
the number of different species, the relative abundance of species, the spatial distribution of different species

In experimental plots of plants tested in Minnesota, primary production, nutrient uptake, and water use were enhanced as _____.
species richness increased

Ecotourism throughout the world relies upon _____.
a widespread interest in exploring natural environments

In a region identified as a biological hotspot, we would expect to find _____.
very high numbers of endemic species

We would expect to find the greatest diversity of species on _____.
a large, 2,000-hectare ocean island located 200 kilometers away from the nearest mainland

Lightning causes fires on a natural prairie ecosystem to burn, on average, about once every other year. But over the past two decades, human managing of a prairie burned the prairie at a much higher rate, about twice a year. What is the effect of this burning?
The natural levels of fire promote diversity but unusually high fire rates reduce diversity.

Which one of the following is the single greatest threat to biodiversity?
habitat loss

According to the equilibrium theory of biogeography, which of the following preserves would best maintain biodiversity?
Create the largest preserves possible, locate them near each other, and provide migration corridors between them.

The foremost threat to species viability is _____.
availability and quality of habitat

Passed in 1900, one of the most significant laws to protect wildlife from illegal killing or sale is the _____.
Lacey Act

Extremely important to the conservation of biodiversity, the lands controlled by this 1964 legislation experience had very limited direct impact from humans. Further, the land forms the core habitat for more than 40% of the endangered or threatened species in the United States. What was this 1964 legislation?
Wilderness Act