Types of Aquatic Biomes and Estuaries

Which statement best identifies the two major categories of aquatic biomes?

• Freshwater and saltwater (marine)

• Rivers and oceans

• Wetlands and estuaries

• Lakes and streams

Select all examples of freshwater biomes from the list.

• Lakes

• Oceans

• Rivers/Streams

• Estuaries

• Wetlands

Which option lists saltwater (marine) biomes according to the material?

• Lakes and wetlands

• Oceans and estuaries

• Rivers and streams

• Ponds and marshes

Aquatic biomes are categorized by which combination of abiotic factors?

• Nutrient cycles, plate tectonics, and wind speed

• Salinity, temperature, and amount of sunlight

• Latitude, altitude, and rainfall

• pH, soil type, and cloud cover

Tags

NGSS.MS-ESS2-4

Match each biome category to one example from that category.

• Rivers/Streams

• Saltwater/Marine

• Oceans

• Saltwater/Marine

• Lakes

• Freshwater

• Estuaries

• Freshwater

According to the definition provided, what is an estuary?

• A lake formed by glacial meltwater

• The mouth of a river where freshwater meets the ocean and mixes with saltwater due to tides

• A section of the deep ocean where sunlight does not penetrate

• A wetland that only contains freshwater year-round

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-4

Which process primarily causes mixing of fresh and salt water in an estuary?

• Evaporation

• Tides

• Groundwater seepage

• Photosynthesis

Select all statements that correctly describe estuaries based on the material.

• They occur where a freshwater river or stream meets the ocean.

• They are purely freshwater bodies with no salt influence.

• They are part of saltwater/marine biomes.

• Mixing occurs because of tidal action.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which statement correctly compares salt concentration in freshwater and marine biomes?

• Freshwater biomes have about 3% salt; marine biomes have 0.1%

• Marine biomes have about 3% salt; freshwater biomes have 0.1%

• Both freshwater and marine biomes have about 1% salt

• Freshwater biomes have no dissolved salts; marine biomes have 10%

According to the material, how much of Earth’s surface is covered by marine biomes?

• About 50%

• Around 97%

• Less than 3%

• Around 75%