Biology (Ecology) Energy Pyramid

Biology (Ecology) Energy Pyramid

Lets Try it out!

Multiple Choice

Which organism represents the trophic level containing approximately 0.1% of the initial amount of chemical energy produced by the plants?

• Aphids

• Spiders

• Sparrows

• Cat

Multiple Choice

Approximately what percentage of original chemical energy produced by the phytoplankton would be present in the population of humpback whales?

• 10%

• 1%

• .1%

• .01%

Multiple Choice

If 10,000 kcal of energy are present in the grass population, approximately how much energy would be expected in the population of lions?

• 1,000 kcal

• 100 kcal

• 10 kcal

• 1 kcal

What role are bacteria most likely filling in this food chain?

Multiple Choice

What happens to most of the energy that is not passed from one tropic level to the next?

• It is returned to the plant population

• It is used to convert CO₂ into sugars

• It is lost to the environment as heat

• It transforms into X-ray radiation

Multiple Choice

If 5,000 kcal of solar energy is converted into chemical energy by the algae population. About how many kcal of energy would be expected in the fish population?

• 500 kcal

• 50 kcal

• 5 kcal

• .5 kcal