Ecology Quiz

Rain, sleet, snow, and hail are all forms of _____.

• Percolation
• Evaporation
• Condensation
• Precipitation

Which of the following best explains why nitrogen fixation must take place?

• Atmospheric nitrogen is unusable to plants and animals
• Nitrogen must be returned to the atmosphere
• Animals must breathe in nitrogen
• Nitrogen gets "stuck" in the soil and must be untrapped

What is A?

• Evaporation
• Condensation
• Precipitation
• Runoff

When nitrogen gas is turned in to a form that plants and animals can use is called 

• Combustion
• Photosynthesis
• Decomposition
• Nitrogen Fixation

A correct path that nitrogen could take would be

• air -> animals -> plants -> bacteria

• animals -> air -> bacteria -> plants

• bacteria -> air -> plants -> animals

• air -> bacteria -> plants -> animals

All of Earth’s water, ice, and water vapor.

• Biosphere

• Biota

• Geosphere

• Hydrosphere

________ is a partially enclosed body of water formed where a river flows into an ocean.

• Estuary

• Watershed

• Littoral zone

• Benthic zone

The idea that no two species within an ecosystem can occupy the exact same niche

• niche overlap
• niche differentiation
• competitive exclusion
• niche decay

An organism's _________ is defined as the environment in which it lives.

• habitat
• niche
• social structure
• ecosystem

The ecological role an organism performs in their specific environment is considered the organism's...

• Habitat

• Population

• Biome

• Niche