LS.5.2.1: Comparing Common Ecosystems

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.

In which ecosystem can you find brackish water?

• estuary

• lake

• ocean

• pond

How are ponds and lakes similar?

• Both contain salt water.

• Both contain freshwater.

• Both are affected by tides.

• Both are affected by waves.

Which terrestrial ecosystem has the greatest biodiversity?

• grassland

• desert

• rainforest

• deciduous forest

Which organisms are most likely to be found in both a pond and a lake ecosystem?

• algae, fish, insects

• fungi, trees, squirrels

• zebras, giraffes, insects

• plankton, fish, crocodiles

Which correctly compares two terrestrial ecosystems?

• grassland has few trees and a lake has many trees

• forest has many trees and a grassland has few trees

• lake has few large fish and a pond has many fish

• pond has many amphibians and a forest has few amphibians

Which two ecosystems are classified as terrestrial?

• lake and ocean

• forest and ocean

• lake and grassland

• forest and grassland

Which two ecosystems contain salt water?

• lake and pond

• pond and ocean

• estuaries and lakes

• oceans and estuaries

Which ecosystem most likely receives the greatest amount of precipitation?

• estuary

• grassland

• rain forest

• salt marsh

Which land-based ecosystem can be found in all regions of North Carolina?

• forest

• desert

• grassland

• salt marsh