Energy Transfer

Energy pyramids show the amount of energy in different trophic levels in an ecosystem. The diagram shows a simplified energy pyramid for the Florida Everglades. Which level contains the most energy?

• Grass

• Gray fox

• Marsh rabbit

• Florida panther

If the grass has 100% of energy how much does the secondary consumer get?

• 10%

• 1%

• 100%

• 0.1%

What percent of energy moves on to each trophic level in a food chain?

• 1%

• 10%

• 100%

• .01%

What happens to the amount of energy available to organisms when moving from trophic level 1 to trophic level 2?

• The energy decreases by approximately 90%

• The energy increases by approximately 90%

• The energy increases by approximately 10%

• The energy decreases by approximately 10%

Which organism should be in the 1,000 J level?

• Grass

• Grasshopper

• Frog

• Raccoon

Which organism has the most available energy

• Grass

• Deer

• Hawk

• Insect-eating bird

How is energy released by an organism? (This includes plants and animals.)

• It is used up by the animal and not released

• It is recycled by decomposers

• It is stored as biomass

• It is released into the ecosystem as heat.

There are 40,000g of biomass energy available on trophic level one. How much energy is available for the secondary consumer?

• 400,000g

• 4,000g

• 400g

• 40g

• 4g

In an energy pyramid, energy_______ as you move up the pyramid.

• Increases
• Decreases
• Stays the same
• Changes up and down

If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?

• 10 Kcal
• 1 Kcal
• 100 Kcal
• 1000 Kcal