Ecosystem Quiz

What is an ecosystem?

• A group of living organisms

• A non-living environment

• A community of living and non-living things interacting

• A specific type of forest

Which of the following is NOT a non-living component of an ecosystem?

• Soil

• Water

• Sunlight

• A deer

What is the process by which plants use sunlight to produce food?

• Respiration

• Photosynthesis

• Decomposition

• Transpiration

Which of the following is an example of a terrestrial ecosystem?

• Ocean

• River

• Desert

• Lake

What is the relationship between a predator and its prey?

• Mutualism

• Commensalism

• Parasitism

• Predation

When both organisms benefit from an interaction, it is called:

• Mutualism

• Commensalism

• Parasitism

• Amensalism

What is the role of decomposers in an ecosystem?

• To produce food for plants

• To break down dead organisms into nutrients

• To pollinate flowers

• To prey on other organisms

Which of the following is an example of a parasitic relationship?

• A bee pollinating a flower

• A bird eating insects from a cow's back

• A tick feeding on a dog's blood

• A tree providing shade for a plant growing beneath it

What is the primary source of energy for most ecosystems?

• Water

• Soil

• Sunlight

• Wind

Why is water an essential component of an ecosystem?

• It provides a habitat for aquatic organisms

• It helps regulate temperature

• It is necessary for photosynthesis

• All of the above