Ecosystems and Interactions Quiz

What does the term 'interdependent' mean in the context of ecosystems?

• Organisms that compete for resources

• Organisms that rely on each other

• Organisms that are isolated from each other

• Organisms that can survive independently

Which of the following is NOT a component of an ecosystem?

• Human-made structures

• Living organisms

• Physical surroundings

• Non-living factors

What is a key difference between natural and man-made ecosystems?

• Man-made ecosystems are larger than natural ones

• Natural ecosystems do not contain living organisms

• Man-made ecosystems require human maintenance

• Natural ecosystems are always balanced

Which of the following is an example of an abiotic factor?

• Sunlight

• Parasites

• Predators

• Breeding partners

How does temperature affect ectotherms?

• They generate their own heat internally

• They are unaffected by temperature changes

• They rely on external sources to regulate temperature

• They can regulate their own body temperature

What type of relationship is mutualism?

• One organism benefits, the other is harmed

• Both organisms benefit

• One organism benefits, the other is unaffected

• Both organisms are harmed

In a parasitic relationship, what happens to the host organism?

• It is unaffected by the parasite

• It benefits from the relationship

• It is harmed but not always killed

• It kills the parasite

Which relationship involves one organism benefiting while the other is unaffected?

• Commensalism

• Parasitism

• Competition

• Mutualism

What is the primary focus of ecology?

• The study of interactions between organisms and their environment

• The study of isolated organisms

• The study of human-made environments

• The study of non-living factors

Which of the following is a biotic factor?

• Air quality

• Soil type

• Sunlight

• Predators