Succession & Energy Flow Quiz Practice

What is the ultimate source of energy for most organisms?

• The Sun

• The Earth

• Plants

• Producers

In the food chain, which of the pictures is a PRODUCER?

• Sun
• Plants
• Ladybug
• Chicken

Which animal is the top predator?

• hawk

• lizard

• snake

• grass

Which animal is not the top predator but, a predator to a mouse?

• hawk

• rabbit

• snake

• grass

Which of the following correctly shows an energy pyramid?

• A

• B

• C

• D

How much energy is transferred from one trophic level to the next in an energy pyramid?

• 1%

• 10%

• 100%

• 90%

Only 10 percent of the energy stored in an organism can be passed on to the next trophic level. Of the remaining energy, some is used for the organism’s _________, and the rest is eliminated as heat.

• reproduction

• body fat

• body tissue

• life processes

What is 10% of 55,000?

• 55,000

• 5,500

• 550

• 55

320,000 kCals of energy are found at the producer level in an energy pyramid. How much energy is available for consumers in the primary consumer level? (Hint: use the Rule of 10s)

• 320,000 kCals

• 32,000 kCals

• 3,200 kCals

• 320 kCals

Kilocalories (kCal) is a measure of energy. If there are 1000 kCal available for the producers in trophic level #1, how much energy is available for the secondary consumers trophic level #3? (Hint: use the Rule of 10s)

• 10 kCal

• 1 kCal

• 100 kCal

• 1000 kCal