Front

What does the second law of thermodynamics state about entropy?

Back

Entropy of a system tends to increase.

Front

What level of ecological organization is defined as a group of individuals of the same species living in a specific area?

Back

Population

Front

True or False: The Biosphere contains all ecosystems.

Back

True

Front

What does biomass refer to in an ecological context?

Back

Amount of living tissue at the trophic level.

Front

From whom does a grasshopper get its energy?

Back

Grass.

Front

Define 'Ecosystem'.

Back

A community of living organisms interacting with their physical environment.

Front

What is a 'Community' in ecology?

Back

A group of different species living together in one area.

Front

What is the primary source of energy for most ecosystems?

Back

The Sun.

Front

Define 'Trophic Level'.

Back

The position an organism occupies in a food chain.

Front

What is 'Biomagnification'?

Back

The increasing concentration of toxins in organisms at each successive trophic level.