5.L.2.1 Week 4

How is an estuary different from an ocean?

• It has only freshwater.

• It is deeper than the ocean.

•  It does not support animal life

• It has saltwater and freshwater.

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

• salt marsh

• estuary

• ocean

• pond

Which best explains a relationship between grassland and forest ecosystems?

• Grasslands grow beneath forests.

• Grasslands separate forests from deserts.

• Grasslands and forests both support tall grasses.

• Grasslands and forests support the same animals.

Which two ecosystems are classified as terrestrial?

• lake and ocean

• forest and ocean

• lake and grassland

• forest and grassland

Which correctly compares two terrestrial ecosystems?

• A grassland has few trees and a lake has many trees.

• A forest has many trees and a grassland has few trees.

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

• A pond has many amphibians and a forest has few amphibians.

Which is a characteristic of both deciduous forest and rainforest ecosystems?

• have a variety of trees

• have little yearly precipitation

• have a small variety of organisms

• have both freshwater and saltwater

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

• forest

• desert

• grassland

• salt marsh

Which best describes the ecosystem that forms where rainfall is too scarce for a deciduous forest and too great for a desert?

• estuary

• grassland

• rainforest

• salt marsh

Which two ecosystems below provide homes for terrestrial organisms?

• estuaries and forests

• grasslands and forests

• estuaries and salt marshes

•  grasslands and salt marshes

Which best describes how oceans and lakes are similar?

• They can both have areas too deep to support plant life at the bottom.

• They can both support aquatic organisms that require freshwater.

•  They can both support marine mammals that require salt water.

• They can both be greatly impacted by the changing of tides