4 S's of Ecosystem Functions Quiz

What does the term "ecosystem functions" generally refer to?

• The political governance of natural areas

• The recreational uses of natural environments

• The ecological processes that support life by maintaining balance and productivity

• The economic systems within a specific geographical area

Which of the following is NOT one of the Four S's of Ecosystem Functions?

• Support

• Source

• Service

• Sink

What does the "Sink" function in an ecosystem refer to?

• The area where water accumulates in an ecosystem

• The process of absorbing pollutants from the environment

• The decline in biodiversity due to environmental stress

• The production of resources that can be extracted and used by humans

How does the "Service" function benefit an ecosystem?

• By providing aesthetic and spiritual benefits

• By providing services that support life (e.g., atmospheric protection from UV rays)

• By offering habitat, breeding grounds, and nutrient cycling

• By filtering water and decomposing waste

Which of the following best describes the "Source" function of an ecosystem?

• Control of climate and disease

• Provision of food, raw materials fresh water, and fuel

• Maintenance of genetic diversity

• Recreation and ecotourism

What role does the "Spiritual" function play in ecosystem services?

• It helps in the decomposition of organic material.

• It provides educational, religious, and recreational opportunities.

• It involves the cycling of nutrients.

• It includes the purification of air and water.

Which of the following is an example of the "Service" function in an ecosystem?

• Prayer and worship

• Climatic stability

• Production of medicinal resources

• Cultural heritage preservation

Why is the "Sink" function crucial for urban ecosystems?

• It provides space for buildings and infrastructure.

• It reduces the heat island effect through shading and evapotranspiration.

• It absorbs and detoxifies pollutants, improving air and water quality.

• It offers recreational spaces for city dwellers.

Coal, iron, timber, food and water are all examples of...

• Service

• Source

• Sink

• Spiritual

What is the correct definition of sink function?

• 
  The cultural, recreational or psychological value of the environment for people

• Environmental services that

  support life

• 
  the ability of the environment to make services and raw materials available for human use

• the environment's ability
  to absorb, break down
  and recycle wastes
  including pollution