Food Pyramids & Trophic Levels

Front

What is the energy transfer efficiency between trophic levels?

Back

Approximately 10% of energy is passed on to the next trophic level.

Front

Define a consumer in an ecological context.

Back

A consumer is an organism that obtains energy by eating other organisms.

Front

If there are 100 Kcal of energy in producers, how much energy is available to primary consumers?

Back

10 Kcal of energy is available to primary consumers.

Front

What happens to energy as you move up the energy pyramid?

Back

Energy decreases as you move up the energy pyramid.

Front

Which organism receives the least amount of energy from the producer?

Back

The owl receives the least amount of energy from the producer.

Front

What is a food pyramid?

Back

A food pyramid is a graphical representation of the energy flow in an ecosystem, showing the relationship between different trophic levels.

Front

What is a trophic level?

Back

A trophic level is a position in a food chain or food web, defined by how an organism obtains its energy.

Front

What is an autotroph?

Back

An autotroph is an organism that produces its own food, typically through photosynthesis.

Front

Explain the role of producers in an ecosystem.

Back

Producers, such as plants, convert solar energy into chemical energy through photosynthesis, forming the base of the food chain.

Front

What is the primary source of energy for most ecosystems?

Back

The primary source of energy for most ecosystems is the sun.