Quiz on Energy Flow in Ecosystems

What is the ultimate source of energy for almost all organisms on Earth?

• The moon

• Water

• Wind

• The sun

What process do plants use to convert sunlight into energy?

• Cellular respiration

• Photosynthesis

• Decomposition

• Fermentation

Which of the following is a producer?

• Eagle

• Clover

• Coyote

• Rabbit

What type of consumer eats only plants?

• Decomposer

• Carnivore

• Herbivore

• Omnivore

What is the term for organisms that break down dead organic matter?

• Autotrophs

• Producers

• Decomposers

• Consumers

How does energy transfer in a food web differ from a food chain?

• Food chains include more organisms

• Food webs show more complex relationships

• Food webs are simpler

• Food chains are more accurate

What is the role of herbivores in an ecosystem?

• They decompose organic matter

• They produce energy

• They consume producers

• They are top predators

What is the primary function of cellular respiration?

• To release energy from food

• To absorb sunlight

• To produce carbohydrates

• To create oxygen

Which of the following is an example of a carnivore?

• Grasshopper

• Lion

• Rabbit

• Cow

What is biological magnification?

• The breakdown of organic matter

• The process of photosynthesis

• The concentration of toxins in organisms at higher trophic levels

• The increase of energy at each trophic level