Matter and Energy in Ecosystems

Front

Photosynthesis ________ energy, cellular respiration __________ energy

Back

stores, releases

Front

How much energy is transferred from one trophic level to the next?

Back

10%

Front

Which arrow represents photosynthesis?

Back

1

Front

Which of the following is an autotroph?

Back

Grass

Front

Which statement describes all primary producers?

Back

most harness energy from sunlight through the process of photosynthesis

Front

Define autotroph.

Back

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

Front

What is the primary role of producers in an ecosystem?

Back

To convert solar energy into chemical energy through photosynthesis.

Front

What is cellular respiration?

Back

The process by which cells break down glucose and other molecules to release energy.

Front

What is a trophic level?

Back

A step in the food chain or food web, representing the flow of energy and nutrients.

Front

What percentage of energy is lost as heat when moving up trophic levels?

Back

Approximately 90%.