Biodiversity
Ecosystems
Succession
Keystone/Foundation Species
100

The continent with the most amount of biodiversity in the world is 

A. Asia

B. North America

C. South America

D. Europe

C. South America

100

What is one natural event that can decrease biodiversity? 

A. Short-term temperature changes 

B. Water cycle

C. Hurricane

D. Raining

C. Hurricane

100

A population bottleneck is causes by 

A. Moving species to a new environment 

B. Climate change 

C. Habitat fragmentation 

D. An increase in biodiversity 

C. Habitat fragmentation

100

The theory of island biogeography suggests that species richness is affected by which of the two following factors?

A. How the island is formed 

B. Island distance from mainland 

C. Island size 

D. Island resources 

B. Island distance from mainland 

C. Island size

200

What are smaller populations more vulnerable to? 

A. Speciation

B. Extinction 

C. Lower Predation

D. Stable habitats

B. Extinction

200

What is the best way to reduce stress on the ecosystem's provisioning services? 

A. Use electric cars 

B. Slow down population growth 

C. Limiting human access to national parks 

D. Recycling 

B. Slow down population growth

200

In Ecological succession, species will replace one another during succession.

A. True

B. False

A. True

200

An optimum range is 

A. A threat to an organism 

B. An organism's niche 

C. An organism's comfort zone 

D. An organism's species richness 

C. An organism's comfort zone

300

What is one human activity that decreases biodiversity? 

A. planting more trees 

B. electric cars 

C. Deforestation

D. Recycling

C. Deforestation

300

A role played by an organism in an ecosystem is known at its 

A. Niche

B. Job

C. Role

D. Duty

A. Niche

300

Which of the following is true about island biodiversity? 

A. Small islands are more likely to have more immigrated species 

B. Small islands have more biodiversity 

C. Small islands have more species 

D. Small islands have less resources 

D. Small islands have less resources

300

An island off the coast of Africa contains a larger percentage of specialist species than generalist species. Which of the following describes the most immediate effect if an invasive generalist species is introduced to the island?

A. As predation increases, the population size of the invasive generalist species will decrease.

B. As resources are partitioned, the population sizes of both the generalist species and the specialist species will increase.

C. As niches overlap, the invasive generalist species will be outcompeted by the island's specialist species.

D. As competition for resources increases, the population size of the island's specialist species will decrease.



D. As competition for resources increases, the population size of the island's specialist species will decrease.

400

When there is a decrease in genetic diversity?

A. populations decrease and mutations decrease 

B. population increases and mutations increase 

C. population increases and mutations decrease 

D. population decreases and mutations increase 

D. population decreases and mutations increase

400

Which of the following ecosystem services are categorized as regulating?

A. Wood fuel, medicine, and portable water

B. Pollution, decomposition, and water purification

C. Recreation, education, and aesthetics

D. Photosynthesis, nutrient cycling, and creation of soils

B. Pollution, decomposition, and water purification

400

Pioneer species like moss and lichen are most likely to show up after 

A. Primary Succession

B. Secondary Succession

A. Primary Succession

400

Organisms that make physical changes and help create habitats are known as 

A. Invasive species 

B. Keystone species

C. Foundation species

D. Endangered species

C. Foundation species

500

Which of the following has a negative impact on biodiversity?

A. Accidental introduction of invasive species 

B. Burning fossil fuels 

C. Overconsumption 

D. All of the above

D. All of the above

500

Which of the following is an example of an ecosystem that provides ecosystem services including protection from hurricane storm surges

A. A lock and dam system

B. An intact coastal wetland

C. An energy-producing tidal barrage system

D. An off shore fish farm


B. An intact coastal wetland

500

Based on the graph above, which of the following years post disturbance did sweetgum experience the greatest biomass?

A. 50

B 100

C. 150

D. 200 

A. 50

500

Based on the theory of Island biogeography, which of the following islands would most likely have the highest number of species living on it?

A. An island 30 hectares in size that is 30 kilometers off the coast of the mainland

B. An island 30 hectares in size that is 10 kilometers off the coast of the mainland

C. An island 10 hectares in size that is 30 kilometers off the coast of the mainland

An island 10 hectares in size that is 10 kilometers off the coast of the mainland

B. An island 30 hectares in size that is 10 kilometers off the coast of the mainland

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