Environmental Science Flashcard

Front

What is the transfer efficiency of chemical energy from producers to secondary consumers in a food chain?

Back

1/100

Front

What is a line transect used for in environmental science?

Back

A sampling of organisms found in an area.

Front

Which nutrient has the atmosphere as its largest reservoir?

Back

Nitrogen

Front

What is a significant characteristic of nations with the largest ecological footprints?

Back

They use the most fossil fuels.

Front

What type of environmental policy is often the most expensive due to the need for governmental enforcement?

Back

Regulations.

Front

Define 'ecological footprint'.

Back

A measure of human demand on the Earth's ecosystems.

Front

What is the primary role of producers in an ecosystem?

Back

To convert solar energy into chemical energy through photosynthesis.

Front

Explain the concept of 'biomagnification'.

Back

The increasing concentration of toxic substances in organisms at each successive level of the food chain.

Front

What is the significance of biodiversity in an ecosystem?

Back

It enhances resilience and stability, allowing ecosystems to recover from disturbances.

Front

Define 'sustainability' in environmental science.

Back

The ability to meet present needs without compromising the ability of future generations to meet their own needs.