Algae Bloom

Eutrophication is caused by...

• fossil fuel burning in power plants.

• automobiles burning fossil fuels.

• over fertilizing farm fields.

• limestone rocks in a body of water.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

In eutrophication, what directly causes the death of fish?

• The plants use up oxygen in respiration

• The fish are poisoned by high CO₂ levels

• Bacteria use up oxygen in respiration

• The fish use up oxygen in respiration

Tags

NGSS.MS-LS2-3

This single celled algae can cause water bloom in favorable conditions.

• Chlorella

• Volvox

• Kelp

• Spirogyra

Tags

NGSS.MS-LS1-1

NGSS.MS-LS2-1

What determines the color of algae?

• Temperature

• Acidity of water

• Pigments

• Air Pollutants

HAB means

• Happy Algal Bloom

• Harmful Algal Bloom

• Hazardous Algae Biome

Tags

NGSS.MS-ESS3-4

Increase in temperature stimulates algae to make toxins.

• TRUE

• FALSE

Tags

NGSS.MS-ESS3-5

NGSS.MS-LS1-5

NGSS.MS-LS2-4

Too much Nitrogen and Phosphorus causes algae to make toxins.

• TRUE

• FALSE

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How do excess nutrients in water lead to algal blooms?

• Algal blooms occur due to lack of nutrients.

• Excess nutrients reduce algae growth.

• Excess nutrients purify the water, preventing blooms.

• Excess nutrients in water lead to algal blooms by promoting rapid algae growth.

Tags

NGSS.MS-LS1-5

What are some signs of an algal bloom in a body of water?

• Clear water with no visible changes

• Signs of an algal bloom include discolored water, surface scum, dead fish, and foul odors.

• Normal fish activity without any signs of distress

• Presence of aquatic plants only

Tags

NGSS.MS-LS1-5

What is a primary cause of algal blooms?

• Low oxygen levels

• Excess nutrients in water, especially nitrogen and phosphorus.

• High water temperature

• Presence of certain fish species

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4