Ecology Lesson 6 Cycles

Which best explains why runoff is important?

• It returns water to other locations on Earth

• It increases the chance of flooding

• It makes evaporation occur faster

• It increases condensation

Snow, sleet, hail, and rain are all examples of  ________________. 

• evaporation

• condensation

• accumulation

• precipitation

What do you call it when water forms a gas?

• EVAPORATION

• PRECIPITATION

• TRANSPIRATION

What is it called when plants give off water vapor as a waste product?

• condensation

• evaporation

• sublimation

• transpiration

When water _________, dew forms.

• Melts

• Evaporates

• Condenses

• Precipitates

On which kind of day would you expect the most evaporation from the surface of a pond?

• cold, rainy

• cold, sunny

• warm, rainy

• warm, sunny

What is water vapor?

• Water on the land (geosphere)

• Water in the air (atmosphere)

• Water in plants

• Water in the water (hydrosphere)

What converts nitrogen gas into a usable form for plants and animals?

• bacteria

• rain

• fungi

• car exhaust

The process in which nitrogen circulates and is recycled is called

• The nitrogen cycle

• The carbon cycle

• The water cycle

• The phosphorus cycle

Organisms that need nitrogen to survive.

• only plants

• only animals

• only bacteria

• all living things