Ecosystem and Energy Transfer Quiz

What is the role of decomposers in an ecosystem?

• To produce oxygen

• To break down dead plant and animal material

• To create new organisms

• To provide energy for the sun

How do decomposers get their energy?

• By absorbing sunlight

• By eating living plants

• By breaking down dead materials

• By consuming oxygen

What does a food chain illustrate?

• The migration patterns of animals

• The transfer of energy from one organism to another

• The life cycle of plants

• The structure of an energy pyramid

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

• A food chain shows a single path, while a food web shows multiple interconnected paths.

• A food web has no producers, while a food chain has many.

• Energy flows in multiple directions in a food chain.

• Food chains are only found in terrestrial ecosystems

What do plants release as a byproduct of photosynthesis?

• Carbon dioxide

• Water vapor

• Nitrogen

• Oxygen

What is the base unit of length in the metric system?

• Gram

• Meter

• Liter

• Celsius

Which of the following best describes a hypothesis?

• .A guess

• A testable idea

• An observation

• A conclusion

What is the main source of energy for most ecosystems?

• Fire

• Electricity

• Sunlight

• Wind

Which organisms are capable of producing their own food through photosynthesis?

• Herbivores

• Carnivores

• Omnivores

• Producers

Which type of consumer feeds on dead organisms?

• Carnivore

• Herbivore

• Omnivore

• Scavenger