Ecosystem Vocabulary Quiz

What does the term "ecosystem" refer to?

• A single species in its natural habitat

• A community of living organisms and their physical environment

• A collection of plants only

• The process of photosynthesis

Which of the following is the definition of "biodiversity"?

• The variety of life in a particular habitat or ecosystem

• The process by which green plants make their own food

• The recycling of nutrients in an ecosystem

• The amount of water in an ecosystem

Match the term to its definition: Producer

• An organism that eats other organisms

• An organism that makes its own food, usually through photosynthesis

• An organism that breaks down dead material

• A non-living component of an ecosystem

Which of the following sentences correctly uses the term "habitat"?

• The habitat of the frog includes both water and land.

• The frog photosynthesizes in its habitat.

• The habitat decided to move north for the winter.

• The frog's diet is mostly habitat.

Categorize the following term: "Carnivore"

• Producer

• Consumer

• Decomposer

• Abiotic factor

What is a "niche" in an ecosystem?

• A type of producer

• The role or function of an organism or species in an ecosystem

• A large ecosystem like a forest or desert

• The physical space an organism occupies

Which term describes organisms that break down dead or decaying organisms?

• Producers

• Consumers

• Decomposers

• Carnivores

What does "abiotic" mean?

• Living components of an ecosystem

• Non-living physical and chemical elements in an ecosystem

• A type of decomposer

• A type of biodiversity

Fill in the blank: The _______ is the main source of energy for life on Earth.

• Moon

• Sun

• Ocean

• Wind

Which of the following best defines "food chain"?

• A sequence of events in an ecosystem where each organism is eaten by another organism

• A group of organisms competing for the same resources

• A process by which water cycles through an ecosystem

• The movement of energy in an ecosystem