Answer to Question #291772 in Ecology for Kelsey Jand

Question

Which of the following statements is TRUE about energy in an ecosystem?

• Energy can be recycled in the same way as matter
• All energy disappears from the Earth when used, which is why we need the sun
• Every 1 pound an organism consumes creates about 10 pounds of biomass for the next organism
• About 10% of energy in living things is transferred to the next living thing when eaten

Answer 1

The statement that's true about energy in an ecosystem is that About 10% of energy in living things is transferred to the next living thing when eaten. This is definitely true and is known as the 10% rule; whereby 10% of energy that's stored as biomass, is passed from one trophic level to the next in an ecosystem.