Ecosystem and Biomes Quiz

How is a 2°C increase within one decade most likely characterized?

• Resilience

• Stability

• Disturbance

• Equilibrium

What is resilience in an ecosystem?

• The ability to change rapidly

• The rate of return to original state after disturbance

• The capacity to increase temperature

• The ability to maintain equilibrium

What is the average annual temperature range for temperate seasonal forests?

• -10 to 0°C

• 0 to 10°C

• 10 to 20°C

• 20 to 30°C

How do the soils in tropical rainforests compare to those in temperate rainforests?

• Rich in mineral nutrients

• Poor in mineral nutrients

• Rich in organic matter

• Sandy and dry

What is the soil composition in temperate rainforests?

• Rich in mineral nutrients

• Rich in organic matter

• Sandy and dry

• Poor in nutrients

Which rainforest type has the highest ecosystem productivity?

• Tropical rainforest

• Temperate rainforest

• Tropical dry forest

• Boreal forest

What is a common feature of the ecosystem in tropical rainforests?

• Low energy and nutrient tie-up

• High energy and nutrient tie-up

• Rich mineral soils

• Sparse vegetation

What causes dramatic fluctuations in bird and other animal populations in boreal coniferous forests?

• Constant weather conditions

• Yearly weather variation

• Lack of predators

• Abundant food supply

What limits the decomposition of dead vegetation in temperate grasslands?

• High precipitation rates

• Low precipitation rates

• High temperature variation

• Low temperature variation

What is a common feature of boreal coniferous forests?

• High leaf litter decomposition

• Low leaf litter decomposition

• High animal diversity

• Low temperature variation