Science Unit 2 Lesson 4

Multiple Choice

Why is it important to understand how energy flows through living systems in an ecosystem?

• It helps us predict weather patterns.

• It allows us to understand how organisms survive and interact.

• It explains the formation of rocks.

• It helps us build stronger buildings.

Multiple Choice

Which of the following best describes energy transfer?

• The movement of energy from one place to another

• The change of energy from one form to another

• The storage of energy in living things

• The loss of energy as heat

Multiple Select

Which of the following are examples of energy transformation?

• Food to mechanical energy in cycling

• Electrical outlet to television

• Sun to producer in a food chain

• Battery to flashlight

Multiple Choice

Which process allows green plants to convert solar energy into chemical energy?

• Photosynthesis

• Respiration

• Fermentation

• Digestion

Open Ended

How does the domino effect help explain the movement of energy through living systems?

Fill in the Blanks

The arrows in a food web indicate the direction of energy

.

Multiple Select

Which of the following statements about energy flow in living systems are correct?

• Energy flows in one direction through living systems.

• Producers convert solar energy into chemical energy.

• Carnivores are always the first step in energy flow.

• Some energy is lost as heat during energy transfers.

Open Ended

Explain the role of decomposers in the energy flow through living systems.

Multiple Choice

In an energy pyramid, which group has the least amount of energy available to them?

• Quaternary consumers

• Primary producers

• Primary consumers

• Secondary consumers

Multiple Choice

Which of the following best describes a primary consumer?

• An organism that eats producers

• An organism that produces its own food

• An organism that eats secondary consumers

• An organism that decomposes dead matter

Multiple Select

Which of the following foods can be eaten by omnivores?

• Meat

• Plants

• Fish

• Insects

Multiple Choice

Based on the images and text, which organism is at the base of the food chain?

• Producer

• Primary consumer

• Secondary consumer

• Tertiary consumer

Fill in the Blanks

The sun’s energy powers the producers, and then the glucose flows into the primary consumers and then into the

consumers.

Open Ended

What type of food chain do you think would be great to learn more about?

Fill in the Blanks

Where do organisms get the energy they need for living?

Open Ended

Reflecting on today's lesson about energy flow in ecosystems, what is one thing you learned that surprised you or changed your understanding?