Ecosystems

Jack learned about an organism that can survive in shallow ocean ecosystems as well as salt marshes. Which characteristic does this animal most likely possess?

• The organism can survive with a very small amount of food.
• The organism can survive with very little sunlight.
• The organism can survive in salt water.
• The organism can only survive in fresh water.

Which best explains how a pond ecosystem is similar to a rainforest ecosystem? Both ecosystems...

• contain large amounts of water.
• are found in most parts of the world.
• contain the same communities of organisms.
• support food webs made up of producers and consumers.

Which area is coldest?

• rainforest
• grassland
• tundra
• reef

Which best describes a freshwater ecosystem?

• an ocean environment with living organisms
• an inland water environment with no living organisms
• an ocean environment with living organisms and nonliving parts
• an inland water environment with living organisms and nonliving parts

Where are fern plants most likely to grow?

• in a desert
• along a river
• at the bottom of an ocean
• in the middle of a prairie

High average daily temperature and heavy annual precipitation are found in a

• desert.
• grassland.
• rainforest.
• tundra.

Which is most similar to a grassland community?

• a lake
• a plain
• a forest
• a tundra

In which ecosystem can the greatest variety of organisms be found?

• lake
• estuary
• rainforest
• tundra

Which type of ecosystem can be found in the mountain regions of North Carolina?

• estuary
• grassland
• deciduous forest
• tropical rain forest

What best describes both marshes and swamps? Most of the plants in....

• marshes and swamps are trees.
• marshes and swamps are grasses.
• in marshes are trees. Most of the plants in swamps are grasses.
• marshes are grasses. Most of the plants in swamps are trees.