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End of Ecosystem Unit

Total questions: 26

Worksheet time: 7hrs 30mins

Name
Class
Date
1.

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

a)

salt marsh

b)

estuary

c)

ocean

d)

pond

2.

Which ecosystem has lifeforms most similar to those of the ocean?

a)

estuary

b)

lake

c)

pond

d)

stream

3.

Which best describes a difference between lakes and oceans?

a)

Oceans are larger than lakes

b)

Lakes are larger than oceans

c)

Oceans are less salty than lakes

d)

Lakes are more salty than oceans

4.

Why are more types of organisms found in the shallow part of the ocean than in very deep ocean water?

a)

There is more salt.

b)

There is more light.

c)

There is more sand.

d)

There is more wave action.

5.

How is an estuary different from an ocean?

a)

It has only freshwater.

b)

It is deeper than the ocean.

c)

It does not support animal life.

d)

It has salt water and freshwater.

6.

Which two ecosystems below provide homes for terrestrial organisms?

a)

estuaries and forests

b)

grasslands and forests

c)

estuaries and salt marshes

d)

grasslands and salt marshes

7.

A whale is a mammal that requires a large salt water ecosystem. In which ecosystem would a whale most likely survive?

a)

forest

b)

grassland

c)

ocean

d)

pond

8.

How are ponds and salt marshes similar?

a)

They are both connected to a river.

b)

They are both connected to the ocean

c)

They are both home to many plants and animals.

d)

They are both a mix of salt water and freshwater.

9.

How are lakes and rain forests similar?

a)

They both have a canopy and understory.

b)

They both receive limited precipitation.

c)

They both contain freshwater sources.

d)

They both contain saltwater sources.

10.

How was this units quizizzes

a)

BAAAD

b)

Amazing

c)

Ok

d)

Not great

11.

Which best explains a relationship between grassland and forest ecosystems?

a)

Grasslands grow beneath forests.

b)

Grasslands separate forests from deserts.

c)

Grasslands and forests both support tall grasses,

d)

Grasslands and forests support the same animals.

12.

Which best explains how estuaries and oceans interact?

a)

Estuaries provide the saltwater for oceans.

b)

. Estuaries protect oceans during stormy weather.

c)

Estuaries provide cold water to cool ocean temperatures.

d)

Estuaries filter pollutants from river water before it enters the ocean.

13.

A grassland is most similar to which ecosystem?

a)

prairie

b)

forest

c)

ocean

d)

lake

14.

Jacob is traveling within the United States and encounters prairie dogs, flat lands, and large areas of short grass. Through which ecosystem is Jacob most likely traveling?

a)

desert

b)

grassland

c)

deciduous forest

d)

tropical rain forest

15.

. A scientist makes this list of similarities while comparing two different ecosystems.

*aquatic diverse

*fish life

*light at the water’s surface

*fresh water

Which two ecosystems is the scientist most likely comparing?

a)

pond and lake

b)

estuary and ocean

c)

grassland and lake

d)

ocean and salt marsh

16.

Which of these ecosystems would be considered a freshwater ecosystem?

a)

pond

b)

ocean

c)

estuary

d)

salt marsh

17.

Which describes both deciduous forests and rain forest ecosystems?

a)

They contain brackish water.

b)

They contain many tall trees.

c)

They contain many tall grasses.

d)

They contain few animal species.

18.

Which adaptation would plant life need to survive in an estuary or a salt marsh ecosystem?

a)

ability to live in dry soil

b)

ability to live in freshwater

c)

ability to survive without sunlight

d)

ability to withstand salinity changes

19.

Which best describes an estuary and salt marsh?

a)

a body of only salt water

b)

a body of only freshwater

c)

a small body of water connected to the ocean

d)

a small body of water not connected to the ocean

20.

Which organisms would most likely be found in oceans and estuaries?

a)

grass and bison

b)

oak trees and deer

c)

sea grass and turtles

d)

cactus and rattlesnakes

21.

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

a)

estuary

b)

grassland

c)

rainforest

d)

salt marsh

22.

How are estuaries and salt marshes different from oceans?

a)

Estuaries and salt marshes are less salty than oceans.

b)

Estuaries and salt marshes are more salty than oceans.

c)

Estuaries and salt marshes have the same amount of sea grass.

d)

Estuaries and salt marshes do not contain any salt and oceans contain little salt.

23.

Which best describes a similarity between an ocean and an estuary ecosystem?

a)

both contain freshwater

b)

both are affected by tides

c)

both contain brackish water

d)

both are very deep at points

24.

Which best explains how shallow parts of the ocean and estuaries are similar?

a)

They are both affected by wave action.

b)

They are both affected by deep ocean currents.

c)

They both have abundant plant life due to plenty of sunlight.

d)

They both have a mix of freshwater and salt water due to rivers.

25.

How are grasslands and forests similar?

a)

They are both aquatic ecosystems.

b)

They are both affected by ocean tides

c)

They are both only found in cold locations

d)

They are both home to many different plants and animals.

26.

How are grassland ecosystems most similar to forest ecosystems?

a)

Both ecosystems are land habitat

b)

Both ecosystems are water habitats.

c)

Both ecosystems are habitats for sharks and whales.

d)

Both ecosystems are habitats for cactus and palm trees.