salt marshes and lakes different 2324 T13

How are salt marshes and lakes different?

• Salt marshes are freshwater and lakes are salt water.

• Salt marshes are connected to the ocean and lakes are inland.

• Salt marshes cannot sustain life and lakes have many organisms.

• Salt marshes are not affected by tides and lakes are affected by tides.

Which best describes the ecosystem of a lake or pond?

• They are aquatic because they are made of land.

• They are aquatic because they are made of water.

• They are terrestrial because they are made of land.

• They are terrestrial because they are made of water.

Which characteristic differs the most between a forest and a grassland ecosystem?

• the amount of salt

• the amount of trees

• the amount of sunlight

• the amount of organisms

In which two ecosystems would you find rattlesnakes, deer, and rabbits?

• forest and ocean

• ocean and estuary

• grassland and forest

• estuary and grassland

Which ecosystem most likely receives the greatest amount of precipitation?

• estuary

• grassland

• rain forest

• salt marsh

Which best describes a difference between estuaries and ponds?

• Ponds flow into the ocean and estuaries do not.

• Ponds are affected by tides and estuaries are not.

• Ponds are freshwater and estuaries are brackish water.

• Ponds have salt water and estuaries have brackish water.

In which ecosystem can you find a mix of salt water and freshwater?

• estuaries

• lakes

• oceans

• ponds

Which is a characteristic common to oceans and estuaries?

• contains only salt water

• contains only freshwater

• supports little to no animal life

• affected by the rise and fall of tides

Which two ecosystems provide most of the food for the world's population?

• ponds and lakes

• estuaries and forests

• grasslands and oceans

• salt marshes and deserts

How are estuaries and salt marshes similar?

• They both contain only freshwater.

• They are both larger than an ocean.

• They both have a variety of vegetation.

• They are both unaffected by the changing tides.