Food Webs - 4.12A, 4.12B Picture Vocabulary

Multiple Choice

Why are producers important in a food web?

• They provide energy for other organisms

• They break down dead material

• They only consume other organisms

• They do not interact with other organisms

Multiple Choice

Which gas is produced by cells during respiration and is used in photosynthesis to produce sugars?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Open Ended

Explain how energy is related to the ability to do work or cause change, using an example from daily life.

Multiple Select

Which of the following are true about a food web?

• It shows only one food chain.

• It is an interconnected set of food chains.

• It can include many different organisms.

• It only exists in aquatic environments.

Multiple Choice

What is the main source of energy for life on Earth?

• The Moon

• The Sun

• Wind

• Water

Multiple Choice

Which of the following best describes the role of a decomposer in an ecosystem?

• An organism that breaks down dead plants or animals without internal digestion

• An organism that gets energy from eating plants or animals

• An organism that produces its own food from sunlight

• An organism that only eats plants

Open Ended

How do producers contribute to the flow of energy in an ecosystem?

Multiple Choice

What is a producer in a food web?

• An organism that uses sunlight to make its own food for energy

• An animal that eats other animals

• An organism that breaks down dead material

• A human who grows crops