Energy Flow

Multiple Choice

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Multiple Choice

Why is it important to understand how energy and matter flow through ecosystems?

• It helps us appreciate nature's complexity and our connection to it.

• It allows us to run faster.

• It makes food taste better.

• It helps us predict the weather.

Multiple Choice

What do the arrows represent in this diagram?

• who is being eaten
• the flow of energy
• the decomposition of organisms
• what things can change into

Open Ended

How does the food we eat, like a granola bar, transform into the energy that powers our muscles during activities such as running?

Multiple Choice

The chameleon obtains its energy from

• the sun

• the snake

• the caterpillar

• the mongoose

Multiple Choice

Which organelle is responsible for cellular respiration in human cells?

• Chloroplast

• Mitochondria

• Nucleus

• Ribosome

Multiple Select

Select all the products of cellular respiration.

• Glucose

• Carbon Dioxide

• Water

• Energy (ATP)

Open Ended

Explain how the process of cellular respiration provides energy for movement in living organisms.

Multiple Choice

Where does the energy in the food originally come from?

• The soil

• The sun

• Water

• Carbon dioxide

Open Ended

Describe the relationship between photosynthesis and cellular respiration as shown in the planetary partnership diagram.

Multiple Choice

Which organism in the food web is responsible for making its own food?

• Producer

• Primary Consumer

• Secondary Consumer

• Decomposer

Open Ended

Explain why there are more plants than top predators in an ecosystem, using the concept of energy flow.

Multiple Choice

Which of the following processes is NOT part of the water cycle?

• Evaporation

• Condensation

• Photosynthesis

• Precipitation

Open Ended

How do the nitrogen cycle and water cycle contribute to the ability of living things to survive and thrive on Earth?

Multiple Choice

What is one way the planet helps provide energy for living things in an ecosystem?

• By providing sunlight for photosynthesis

• By creating artificial energy sources

• By directly giving energy to animals

• By storing energy in rocks

Open Ended

How does the energy from the food Alma eats become the energy that powers her muscles during a run?