Marine Bacteria

What role do bacteria play in marine ecosystems according to the diagram?

• A) Bacteria produce oxygen for marine life.

• B) Bacteria make nutrients available to other organisms through decomposition.

• C) Bacteria consume zooplankton.

• D) Bacteria are the primary producers in the ocean.

Tags

NGSS.MS-LS2-3

Which of the following are examples of microorganisms?

• Bacteria and Protists

• Plants and Animals

• Fungi and Algae

• Insects and Birds

How do microorganisms contribute to nutrient cycles?

• They decompose and recycle nutrients.

• They store nutrients permanently.

• They consume all nutrients.

• They destroy nutrients.

Tags

NGSS.MS-LS2-3

What process do microorganisms undergo that is crucial for the nitrogen cycle?

• Nitrogen Fixation

• Photosynthesis

• Respiration

• Fermentation

What is a common characteristic of Eubacteria found in the ocean?

• They are only found in freshwater.

• They convert nitrogen gas into ammonium.

• They do not interact with other species.

• They are harmful to marine life.

Where can extremophiles commonly be found?

• Hydrothermal vents

• rivers

• estuaries

• open ocean

What are hydrothermal vents?

• Areas where water is superheated from the energy below Earth's crust

• Areas where water is cooled by ocean currents

• Areas where sunlight penetrates the ocean floor

• Areas where volcanic eruptions occur on land

Tags

NGSS.MS-ESS3-1

What types of smokers form at hydrothermal vents?

• Red and blue smokers

• Black and white smokers

• Green and yellow smokers

• Purple and orange smokers

Where are hydrothermal vents normally found?

• In shallow coastal waters

• In abyssal zones and plate boundaries

• In freshwater lakes

• In desert regions

Tags

NGSS.MS-ESS2-3

How much more biomass do hydrothermal vents have compared to other areas of the abyssal zone?

• 100x more biomass

• 1,000x more biomass

• 10,000x more biomass

• 100,000x more biomass