Hydrology Test

This ecosystem is known as a nursery of the sea

• pelagic

• marsh

• swamp

• estuary

What percentage of water on Earth is fresh?

• 
  2.5%

• 96.5%

• 5.5%

• 10.5%

Which of the following are known as the drifting organisms in the ocean?

• nekton

• plankton

• benthos

• filter feeders

Mercury is known to ...

• kill brain cells

  
  

• cause cancer

  
  

• cause heart disease

  
  

• cause stomach bleeding

  
  

This part of the ocean is high in dissolved oxygen, photosynthetic activity, and light.

• bathyal

• abyssal

• euphotic

• benthic

Region of the lake where light cannot reach the bottom and therefore no plants grow there.

• benthic zone

• photic zone

• littoral zone

• surface zone

The water cycle is driven by  _____ and ______.

• condensation and solar energy

  
  

• tidal forces and gravity

  
  

• solar energy and gravity

• precipitation and gravity

  
  

The movement of water through various states of matter

• evaporation

  
  

• transpiration

• the rock cycle

  
  

• the water cycle

  
  

How much new water is made on Earth every year?

• none

• 10,000 liters

  
  

• 1,000 liters

  
  

• 100,000 liters

  
  

The change of water from gas to liquid is called ____________.

• precipitation

• condensation

• infiltration

• evaporation