1.3 Aquatic Biomes

The majority of FRESH LIQUID water on Earth is found

• rivers

• underground

• lakes

• wetlands

Tags

NGSS.MS-ESS2-4

Freshwater Biomes include (check all)

• Oceans, seas, and bays
• Mountains and deserts
• Forests and grasslands
• Lakes, rivers, ponds, and wetlands

Salinity refers to

• Density of water
• Concentration of salt in a solution
• Temperature of water
• pH level of water

How do ecologists classify aquatic ecosystems?

• salinity

• movement

• depth

• all of the above

Most freshwater is

• frozen

• groundwater

• rivers

• lakes

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-1

How much of earth’s water is easily available for human consumption?

• 70%

• 23%

• 3%

• less than 1%

Label the zones of a freshwater lake

a

b

c

profundal

limnetic

littoral

Tags

NGSS.MS-LS2-3

Why are estuaries important?

• They provide homes for many species of wildlife

• They help to filter pollutants from the water

• They are important nurseries for a variety of marine life.

• As freshwater, they provide protection from salt.

Tags

NGSS.MS-LS2-5

Which of the following are types of estuaries?

• Mangrove Forest

• Salt Marsh

• Bay

• all are correct

When salt and freshwater mix, this water is called

• saline

• brackish

• hypoxic

• eutrophic

Tags

NGSS.MS-ESS2-4