Which of these animals live in freshwater?

• Beaver

• Alligator

• Frog

• All of the above

What are the two types of aquatic ecosystems? (Select 2)

• Freshwater

• Grasslands

• Saltwater

• Desert

What is salinity?

• How much salt is on food

• The amount of salt in water

• Salt

• Pepper

What percent of Earth's surface is covered by water?

• 70%

• 30%

• 65%

• 10%

Tags

NGSS.MS-ESS2-4

How much of Earth's water is freshwater

• 5%

• More than 10%

• Less than 3%

• 7%

Tags

NGSS.MS-ESS2-4

What are examples of freshwater sources? Select all that apply

• River

• Ocean

• Pond

• Lake

What are adaptations?

• When parents adopt children

• Getting energy from food

• Body parts that help living things survive

Tags

NGSS.MS-LS4-2

NGSS.MS-LS4-4

Draw an example of an organism (a living thing)

Tags

NGSS.MS-LS1-1

Draw a picture of a river or a stream. They have trees or plants that grow along the edges. Don't forget to include fish!

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS2-3

NGSS.MS-LS2-4

Why do you think aquatic plants don't have stiff stems?