Environmental Science Quiz

What is an ecosystem?

• A community of non-living components

• A community of lifeforms interacting with non-living components

• A single organism in isolation

• A type of pollution

Who coined the term "Ecosystem"?

• Charles Darwin

• A.G. Tansley

• Raymond Lindeman

• Norman Myers

Which of the following is a biotic component of an ecosystem?

• Sunlight

• Water

• Plants

• Soil

What are primary consumers in a food chain?

• Carnivores

• Herbivores

• Decomposers
  
  

• Producers

What is the role of decomposers in an ecosystem?

• To produce food

• To break down dead organic matter

• To consume herbivores

• To provide sunlight

Which of the following is an abiotic component of an ecosystem?

• Fungi

• Bacteria

• Temperature

• Animals

What is the 10% rule in energy flow?

• 10% of energy is lost at each trophic level
  
  

• 90% of energy is transferred to the next trophic level

• 10% of energy is transferred to the next trophic level

• 10% of energy is created at each trophic level

Which of the following is a marine ecosystem?

• Pond

• Lake

• Ocean

• River

Plants are called __________ because they make their own food using sunlight.

A __________ is a community of living organisms and their physical environment interacting together.