Hydrology

Which pair of organisms represents a connection between aquatic and terrestrial food webs?

• whales and plankton
• seagulls and oysters
• spiders and mosquitoes
• humans and coral

Tags

NGSS.MS-LS2-2

Which condition in the ocean is most responsible for an increase in the fish population near the surface?

• buoyancy
• density
• salinity
• upwelling

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is the relationship between dissolved oxygen and temperature?

• high temperature leads to low oxygen levels
• high temperature leads to high oxygen levels
• low temperature leads to low oxygen levels
• no relationship between temperature and oxygen levels

How does pH negatively affect water sources?

• low pH is harmful
• high pH is harmful
• neutral pH is harmful
• both low and high pH is harmful

What is meant by high turbidity?

• The water is very clear.
• The water can support many organisms.
• The water is very acidic.
• The water is very cloudy.

Tags

NGSS.MS-LS1-6

Which process is used in sewage treatment to kill infectious bacteria?

• sedimentation
• chlorination
• filtration
• floatation

Where is most freshwater located on Earth?

• polar ice caps
• groundwater
• lakes
• rivers

Tags

NGSS.MS-ESS2-4

Which would most likely result from a decrease in water supply to watersheds?

• Increase in ocean water levels
• Decrease in lake water levels
• Decrease in river basin levels

Tags

NGSS.MS-ESS2-4

Which dissolved gas is added to ocean water as a result of photosynthesis?

• oxygen
• nitrogen
• carbon dioxide

Tags

NGSS.MS-LS1-6

Which is true about water as a natural resource?

• Water is a renewable resource that requires good stewardship
• Water is a renewable resource, so its supply cannot be exhausted
• Water is a nonrenewable resource, but its supply cannot be exhausted

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4