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Unit 8 Review Ecosystems

Total questions: 71

Worksheet time: 2hrs 52mins

Name
Class
Date
1.

A community of organisms interacting with one another and with nonliving factors in an area is called...

a)

environment

b)

population

c)

ecosystem

2.

An organism that needs to eat other organisms is called...

a)

decomposer

b)

consumer

c)

producer

3.

Organisms that make their own food are called...

a)

producers

b)

herbivores

c)

omnivores

4.

Click on all that are considered non-living factors in an ecosystem

a)

Plants

b)

Wind

c)

Temperature

d)

Predators

5.

Choose the living things in the food web that are consumers --click on the image to make it larger

a)

wildflowers

b)

hawk

c)

rabbit

d)

snake

e)

mouse

6.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

7.

Click on the image to make it larger-- Choose the living things that are producers...

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

8.

Click on the image to make it larger--The rabbit gets energy from the ....

a)

hawk

b)

mouse

c)

wildflowers

d)

grass

9.

A ____________________ shows how energy is passed from one living thing to another...

a)

ecosystem

b)

food chain

c)

habitat

10.

A ____________________ shows the competition in food chains

a)

Environment

b)

Food Web

c)

Ecosystems

11.

A cow eats grass found in its habitat. A cow is a

a)

producer

b)

consumer

c)

herbivore

12.

A shark eats mostly fish and smaller ocean animals. A shark is a ...

a)

herbivore

b)

carnviore

c)

decomposer

13.

Bears eat berries and salmon. Bears are ...

a)

producers

b)

carnivores

c)

omnivores

14.

Multiple food chains intertwined with each other. 

a)

Food Chain

b)

Food Web

c)

Producer

d)

Consumer

15.

Makes its own food also called Autotroph.

a)

Consumer

b)

Producer

c)

Scavenger

d)

Apex Predator

16.

Has to go find food also called Heterotroph.

a)

Consumer

b)

Producer

c)

Apex Predator

d)

Scavenger

17.

Eats producers.

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Producer

18.

Eats other plants or animals.

a)

Primary Consumer

b)

Secondary Consumer

c)

Tertiary Consumer

d)

Producer

19.

Eats both plants and meat.

a)

Herbivore

b)

Omnivore

c)

Carnivore

d)

Pizzavore

20.

Eats dead organisms.

a)

Herbivore

b)

Omnivore

c)

Scavenger

d)

Cookievore

21.

Breaks down dead or decaying organisms.

a)

Decomposers

b)

Scavengers

c)

Apex Predator

d)

Producer

22.

Hunter of food.

a)

Predator

b)

Prey

c)

Omnivore

d)

Herbivore

23.

Organism being eaten.

a)

Predator

b)

Prey

c)

Scavenger

d)

Apex Predator

24.

Energy being used at levels of an energy pyramid.

a)

Trophic Level

b)

Energy Pyramid

c)

Food Chain

d)

Food Web

25.

Living things.

a)

Abiotic

b)

Biotic

26.

nonliving: Ex. rock, soil, and air.

a)

Biotic

b)

Abiotic

27.

A group of the same organisms.

a)

Species

b)

Community

c)

Population

d)

Ecosystem

28.

Groups of species living in the same area.

a)

Species

b)

Population

c)

Community

d)

Ecosystem

29.

Populations living in the same area.

a)

Species

b)

Population

c)

Community

d)

Ecosystem

30.

a biological community of interacting organisms and their physical environment.

a)

Species

b)

Population

c)

Community

d)

Ecosystem

31.

Which of the following is producer/autotroph?

a)

rabbit

b)

frog

c)

tree

d)

worm

32.

Using the food web which of the following is a primary consumer?

a)

butterfy

b)

snake

c)

fox

d)

frog

33.

Using food web which of the following is a secondary consumer?

a)

snake

b)

worm

c)

butterfy

d)

squirrel

34.

Using the food web what would happen if the eagle became extinct?

a)

The frog population would decrease.

b)

The frog population would increase.

c)

The butterfly population would increase.

d)

The snake population would decrease.

35.

If fish were poisoned which organism would be affected?

a)

algae

b)

phytoplankton

c)

clams

d)

octopus

36.

Which organism is on the 2nd trophic level?

a)

clam

b)

algae

c)

octopus

d)

shark

37.

Using food web which organism is the top predator?

a)

octopus

b)

shark

c)

clam

d)

lobster

38.

Using food web what is the highest trophic level?

a)

1

b)

2

c)

3

d)

5

39.

Using the food web how many organisms only eat producers?

a)

2

b)

3

c)

4

d)

5

40.

The graph shows that

a)

wolf population control the rabbit population

b)

the rabbit population control the wolf population

c)

the two populations do not affect each other

d)

wolves do not hunt rabbits

41.

Which two animals below are primary consumers

a)

moth and ant

b)

mushroom and moth

c)

ant and hawk

d)

spider and mouse

42.

In a food web the arrow always points to

a)

the consumer

b)

the prey

c)

producer

d)

autotroph

43.

An organism that can make its own food using the sun’s energy.

a)

Producer

b)

Consumer

c)

Decomposer

44.

What to the arrows represent in a food chain or food web?

a)

The flow of energy between organisms

b)

Point out the name of the orgainisms

c)

Point to the living things in the food web.

d)

Point to the nonliving things in the food chain.

45.

If an arrow points from a rabbit to a fox it means

a)

The energy is going from the rabbit to the fox when it eats it.

b)

The energy is going from the fox to the rabbit when the fox eats the rabbit.

46.

Which of the following is a producer in the web?

a)

owl

b)

carrot

c)

rabbit

d)

birds

47.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
48.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
49.
How many primary consumers are there in this food web?
a)
1
b)
2
c)
3
d)
4
50.
How are parasitism and predation similar?
a)
Both organisms are harmed.
b)
Both organism benefit.
c)
One organism benefits and the other is harmed.
d)
One organism benefits and the other is not harmed.
51.
Remoras are small fish that swim close to or attach themselves to sharks.  Remoras eat small scraps left as the sharks feed and the sharks are unaffected. What kind of relationship is this?
a)
Competition
b)
Predation
c)
Mutualism
d)
Commensalism
52.
Clown fish live among anemones acting as a lure for the sea anemone’s prey. The clown fish gets protection and shelter from the anemone.  What type of relationship is this?
a)
parasitism
b)
commensalism
c)
mutualism
d)
predatation
53.
Which of the following is NOT and example of how biotic factors interact with abiotic factors in an ecosystem?
a)
A lion preys on a herd of gazelle.
b)
Plants remove CO2 from the air.
c)
Animals cause erosion by digging.
d)
A lizard raises its body temperature by using heat from the sun.
54.
The dark form of the peppered moth survived the industrial revolution due to :
a)
the soot covered trees created camouflage
b)
being covered in soot
c)
the dark moths ate the light moths
d)
the dark moths laid fewer eggs than the light moths.
55.
What adaptation would BEST help an animal survive a much colder climate?
a)
changing coat color
b)
adding a thick layer of fat under the skin
c)
developing broad flat teeth
d)
becoming more sensitive to smells
56.
What is the most damaging impact of humans on the marine ecosystem?
a)
Adding new vegetation
b)
polluting the water
c)
floating down the river
d)
adding new crustaceans
57.
Which symbols best describe mutualism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
58.
Which symbols best describe parasitism?
a)
+,+
b)
+,-
c)
+,0
d)
-,0
59.
Which symbols best describe commensalism?
a)
+,+
b)
+,-
c)
+,0
d)
0,0
60.
A tick and a dog have this type of relationship.
a)
mutualism
b)
commensalism
c)
neutralism
d)
parasitism
61.
A tapeworm and a cat have this type of relationship.
a)
mutualism
b)
parasitism
c)
commensalism
d)
competition
62.
Red-billed oxpeckers are birds that feed on parasites found on an impala. The impala gets rid of parasites and the red-billed oxpeckers get a yummy dinner. This is an example of _______.
a)
commensalism
b)
mutualism
c)
neutralism
d)
competition
63.
A relationship between two organisms in which one organism benefits and the other is harmed.
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
64.

A relationship between two organisms in which one organism benefits and the other is unharmed.

a)

Mutualism

b)

Competition

c)

Parasitsm

d)

Commensalism

65.
A relationship between two organisms in which both organisms benefit. 
a)
Mutualism 
b)
Competition
c)
Parasitsm 
d)
Commensalism 
66.
Barnacles create home sites by attaching themselves to whales. This neither harms nor benefits the whales.
a)
Mutualsim 
b)
Parasitism 
c)
Commensalism 
67.
Mistletoe extracts water and nutrients from the spruce tree to the tree's detriment (harm). 
a)
Mutualsim 
b)
Parasitism 
c)
Commensalism 
68.
Yucca flowers are pollinated by yucca moths. The moths lay their eggs  in the flowers where  the larvae hatch and eat some of the developing seeds. Both species benefit.  
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
69.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
70.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 
71.
A wrasse fish feeds on the parasites found on the black sea bass's body. Both species benefit. 
a)
Mutualism 
b)
Parasitism 
c)
Commensalism 

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