Energy Flow in Ecosystems Quiz

What is the primary source of energy for life on Earth?

• The Moon

• The Sun

• The Ocean

• The Wind

Which process do plants use to convert solar energy into food?

• Fermentation

• Respiration

• Digestion

• Photosynthesis

What do producers store energy in?

• Bark and wood

• Seeds and nuts

• Flowers and fruits

• Roots, stems, and leaves

Which of the following is a consumer?

• A lion

• A tree

• A mushroom

• A rock

What is the role of consumers in the ecosystem?

• To produce their own food

• To break down dead matter

• To store energy in leaves

• To eat producers or other consumers

In a food chain, what does the direction of the arrow represent?

• The flow of energy

• The size of the organism

• The speed of the organism

• The color of the organism

What happens when food chains overlap?

• Energy is lost

• The ecosystem collapses

• A food web is formed

• New species are created

Which of the following is a decomposer?

• A mushroom

• A sunflower

• A fish

• A cow

What do decomposers do with dead matter?

• Store it for later use

• Break it down and return nutrients to the soil

• Convert it into energy

• Use it to build nests

Which of the following is NOT a role of decomposers?

• Breaking down dead matter

• Feeding on dead plant or animal matter

• Returning nutrients to the soil

• Producing their own food