Ecosystem Function Review

Which of the following is NOT a component that all ecosystems need to survive?

• Energy

• Water

• Nutrients/minerals

• Wind

• Oxygen

Which of the following correctly lists the ecological levels of organization?

• Ecosystem, Population, Organism, Community

• Organism, Population, Community, Ecosystem

• Population, Organism, Community, Ecosystem

• Ecosystem, Population, Community, Organism

Choose the correct term: Groups of organisms of the same species that live in a specific geographical area

• Ecosystem

• Community

• Population

• Organism

Choose the correct term: Groups of various species that live in the same area and interact with each other

• Population

• Ecosystem

• Organism

• Community

An organism which produces its own food is referred to as a:

• Other-troph

• Heterotroph

• Self-troph

• Autotroph

Which two processes DO NOT put carbon into our atmosphere?

• Respiration

• Photosynthesis

• Combustion

• Deamination

Which process takes carbon out of our atmosphere?

• Respiration

• Combustion

• Photosynthesis

• Deamination

What do we call long-term carbon stores on Earth?

• Carbon Store

• Atmospheric carbon

• Plants

• Carbon Sink

What type of molecule is nitrogen critical for?

• Proteins

• Carbohydrates

• Lipids

• Nucleic Acids

What must happen to atmospheric nitrogen (N₂) before it can be used by plants?

• Decay

• Denitrification

• Nitrification

• Fixation