Energy Flow in Ecosystems Quiz

Which of the following best describes the flow of energy in a food chain?

• Energy flows from producers to consumers and then to decomposers.

• Energy flows from consumers to producers and then to decomposers.

• Energy flows from decomposers to consumers and then to producers.

• Energy flows from consumers to decomposers and then to producers.

Tags

NGSS.MS-LS2-3

What happens to the amount of available energy as it moves up the trophic levels in an energy pyramid?

• It increases.

• It remains the same.

• It decreases.

• It fluctuates randomly.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a primary source of energy for most ecosystems?

• The Moon

• The Sun

• The Earth's core

• Ocean currents

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In an ecosystem, how is matter recycled?

• Through the continuous production of new matter.

• Through the decomposition of dead organisms.

• Through the destruction of matter.

• Through the conversion of energy into matter.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following best represents the energy loss at each trophic level?

• 10% of energy is lost.

• 50% of energy is lost.

• 90% of energy is lost.

• 100% of energy is lost.

Tags

NGSS.MS-LS2-3

What role do decomposers play in the energy flow of an ecosystem?

• They produce energy for primary consumers.

• They recycle nutrients back into the ecosystem.

• They consume energy from the Sun.

• They store energy for future use.

Tags

NGSS.MS-LS2-3

Which of the following diagrams best represents an energy pyramid?

• A circle with equal sections.

• A triangle with a wide base and narrow top.

• A square with equal sides.

• A rectangle with equal sides.

Tags

NGSS.MS-LS2-3

How does the continuous flow of energy sustain ecosystems?

• By creating new energy sources.

• By maintaining the balance of organisms.

• By eliminating all predators.

• By stopping the recycling of nutrients.

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3