Exam 18: Species Richness Patterns

Tree species richness is greatest in temperate

Mammal species richness in the U.S. is highest in the

The peninsular effect increases species richness on peninsulas.

Bird species richness is highest in

Just 17 countries are home to nearly 80% of all known species. Such countries are known as _______________ countries.

The conservation strategy that protects low vulnerability areas and areas of low irreplacibility is known as

34 "hot spots" on Earth, occupying only 2-3% of the Earth's surface, contain what percent of the world's total of endemic plant species?

The correlation between the numbers of insect species on British tree species and the evolutionary age of these trees in Britain supports which hypothesis?

Which evidence supports the species energy hypothesis to explain polar-equatorial gradients in species richness?

Which of the following methods of targeting areas for conservation targets the number of endemic species?

An increase in the amount of winter rain in California would increase biodiversity.

Which of the following biodiversity hot spots contains most plant species?

Which of the following species was the competitive dominant on the rocky shores of Washington State and which was preyed on most by Pisaster starfish?

Climatically similar areas in different parts of the world always have the same number of species.

The idea that society should protect representatives of major habitats under severe threat is known as

Climate change may change the number of individuals of many different species present in a community but is unlikely to change the number of species present.

Many factors affect species richness. At what scale are predation and other biotic invertebrates most important?

Trees have been present in Britain only for the last _____ years.

The guild of insects attacking bracken fern varies remarkably across the globe. Which of the following statements is true?

Disturbances can affect species diversity. Maximal species diversity is often found after _________ sized disturbances.