Energy Flow Practice Questions

What is the source of energy for food chains/food webs?

• Sun

• Producers

• Fertilizer

• Consumers

What is a producer?

• Organisms that make their own food
• Organisms that eat other organisms for energy
• organisms that break down dead organisms

What is photosynthesis?

• When organisms use radiant energy to make their own food

• When organisms adapt and can make their own light

• When plants make lights

• When plants produce CO₂

What is a consumer?

• An organism that makes it's own food

• An organisms that eats other organisms for energy

• An organism that breaks down dead organisms

What is a food chain?

• A chain that shows the flow of energy

• A triangle that shows trophic levels

• A web that shows the flow of energy

Which of the followings is not part of the energy pyramid.

• producers

• autotrophs

• consumers

• decomposers

What organisms are at the bottom of an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

How much energy is passed on to each trophic level in an energy pyramid?

• 10%
• 90%
• 50%
• 80%

Which organisms have the most available energy in an energy pyramid?

• Producer
• Consumer
• Decomposer
• Scavenger

What happens to a population in a community when there is an abundance of food?

• Population Increases
• Population Decreases
• Population Remains Unchanged