Water Quality Notes

Multiple Select

Select all of the picture that are abiotic.

• lion

• people

• temperature

• dead animal

• water

Multiple Select

Select all of the picture that are biotic.

• lion

• soil

• people

• sun

• dead animal

Multiple Choice

What is the ideal pH for healthy water?

• 7

• 12

• 3

• 0

Multiple Select

What causes nitrates and phosphates to be in the water? (2)

• run-off from farms and homes

• wastewater from water treatment plants

• drinking water

• rainfall

Multiple Select

What are the results of too much nitrates and phosphates? (2)

• algae blooms

• healthy water

• dead zones

• mutations to organisms

Multiple Choice

What is a dead zone?

• too much oxygen in the water

• water with no oxygen

Multiple Select

What happens when there is no dissolved oxygen? (2)

• organisms in water die

• animals have more babies

• animal mutations

• dead zone

Multiple Choice

Turbidity is

• how clear the water is

• how dirty the water is

• how much dissolved oxygen is in the water

• the temperature of the water

Match

Match the following

• macroinvertebrate

• tolerant

• intolerant

• indicator species

any animal lacking a backbone

able to live with pollution

not able to live with pollution

tells how healthy water is

• any animal lacking a backbone

• able to live with pollution

• not able to live with pollution

• tells how healthy water is