Biodiversity and Ecosystem Services Quiz

What does species richness refer to?

• The total number of species

• The balance of species

• The number of keystone species

• The number of indicator species

What is a bottleneck effect?

• Increase in species diversity

• Disturbance that reduces diversity

• Expansion of habitat

• Increase in genetic variation

Which type of species has a larger range of tolerance?

• Specialist

• Generalist

• Pioneer species

• Keystone species

What is the role of a keystone species?

• First species to colonize an area

• Species vital to ecosystem stability

• Species that indicates ecosystem quality

• Species with a narrow range of tolerance

What does biodiversity refer to?

• Variety of life

• Number of ecosystems

• Genetic similarity

• Number of keystone species

What is the theory of island biogeography?

• Larger islands have fewer species

• Closer islands have fewer species

• Larger islands have more species

• Islands have no selective pressure

What can natural disruptions cause?

• Increase in human population

• Change in large areas of habitat

• Decrease in biodiversity

• Increase in pollution

What is an example of an adaptation?

• Migration due to climate change

• Evolution of beak sizes in finches

• Increase in species richness

• Decrease in genetic diversity

What is ecological tolerance?

• Range of conditions an organism can endure

• Number of species in an ecosystem

• Balance of species in an ecosystem

• Rate of species extinction

What is an example of a provisioning ecosystem service?

• Regulation of climate

• Pollination of crops

• Recreational activities

• Harvesting of food