Science Section 2 Figure 25

What is the primary source of energy for producers in a trophic level?

• The Sun

• The Moon

• The Ocean

• The Wind

Which of the following is a primary consumer in the trophic levels?

• Hawk

• Grasshopper

• Snake

• Owl

What percentage of energy is typically transferred from one trophic level to the next?

• 100%

• 50%

• 10%

• 1%

Which organism is a tertiary consumer in the trophic levels?

• Rat

• Snake

• Grasshopper

• Crop Plant

What happens to energy as it moves up the trophic levels?

• It increases

• It remains the same

• It decreases

• It doubles

Which of the following is a quaternary consumer?

• Frog

• Owl

• Hawk

• Ant

What is the role of producers in the trophic levels?

• They consume other organisms

• They produce energy from sunlight

• They decompose organic matter

• They store energy as fat

Which of the following is a secondary consumer?

• Bee

• Rat

• Tree

• Butterfly

What is lost as energy moves up the trophic levels?

• Water

• Biomass

• Heat

• Light

Which of the following is not a producer?

• Tree

• Grass

• Owl

• Flowering Plant