IB Environmental Systems Quiz

What does a Sankey diagram primarily illustrate?

• The flow of energy or matter through an environment

• The chemical composition of the atmosphere

• The biodiversity of an ecosystem

• The geological features of a landscape

Which color represents thermal or heat energy in the Sankey diagram?

• Blue

• Yellow

• Green

• Red

What percentage of energy typically moves between trophic levels?

• 100%

• 50%

• 10%

• 1%

In photosynthesis, what is transformed into chemical energy?

• Mechanical energy

• Nuclear energy

• Light energy

• Thermal energy

What is the main output of cellular respiration?

• ATP

• Oxygen

• Carbon dioxide

• Glucose

What does gross primary productivity measure?

• The total biomass of an ecosystem

• The water cycle in a rainforest

• The amount of light energy converted to chemical energy

• The number of species in a biome

How is net primary productivity calculated?

• By dividing gross primary productivity by respiration

• By subtracting respiration from gross primary productivity

• By adding gross primary productivity and respiration

• By multiplying gross primary productivity by respiration

What is a unique factor in calculating secondary productivity in animals?

• Water absorption

• Fecal losses

• Photosynthesis

• Soil composition

Which biome is known for having high primary productivity?

• Rainforest

• Savanna

• Tundra

• Desert

What abiotic factor contributes to high productivity in rainforests?

• Poor soil quality

• Limited sunlight

• High rainfall

• Low temperature