Energy Transfer in Ecosystems Wrap Up

What process do plants use to capture energy from the sun?

• Respiration

• Photosynthesis

• Fermentation

• Digestion

Tags

NGSS.MS-LS1-6

What percentage of energy is transferred from one trophic level to the next in an ecosystem?

• 1%

• 10%

• 50%

• 90%

Tags

NGSS.MS-LS2-3

What is the main reason for energy loss between trophic levels?

• Energy is destroyed

• Energy is used for life processes and lost as heat

• Energy is stored in bones

• Energy is converted to water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which trophic level do herbivores belong to?

• Producer

• Primary Consumer

• Secondary Consumer

• Tertiary Consumer

Tags

NGSS.MS-LS2-2

If 10,000 Joules of energy enter the producer level, how much energy is lost at this level?

• 1,000 Joules

• 9,000 Joules

• 100 Joules

• 10 Joules

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What do carnivores eat in ecosystems?

• Plants

• Herbivores

• Decomposers

• Sunlight

Tags

NGSS.MS-LS2-2

What is the term for organisms that make their own food using sunlight?

• Consumers

• Producers

• Decomposers

• Carnivores

Tags

NGSS.MS-LS1-6

If the energy entering the primary consumer level is 100 Joules, how much energy will be available to the next trophic level if the 10% rule applies?

• 1 Joule

• 10 Joules

• 90 Joules

• 100 Joules

Tags

NGSS.MS-LS2-3

Using the 10% rule, calculate the energy lost when energy is transferred from the primary consumer to the secondary consumer (given 100 Joules enter the primary consumer).

• 10 Joules

• 90 Joules

• 1,000 Joules

• 9 Joules

Tags

NGSS.MS-LS2-3

Which of the following best explains why there are usually fewer organisms at higher trophic levels?

• More energy is available at higher levels

• Energy decreases as it moves up trophic levels

• Producers are less efficient

• Sunlight is not needed

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3