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science

Total questions: 184

Worksheet time: 8hrs 14mins

Name
Class
Date
1.

Summarize what you have learned in your notes today!

4 lines
2.

How much energy is pass from one level to the next?

a)

5%

b)

25%

c)

all of it

d)

10%

3.

What is the difference between a food chain and a food web?

a)

Food chain is linear, less organisms

Food web has more organisms interconnected

b)

they are the same thing

4.

What does the arrow in a food chain mean?

a)

It is the energy passed from one organism to another

b)

food

c)

I don't know

5.

What is a producer? (Watch out! two possible answers!)

a)

plant

b)

autotroph

c)

animal

d)

heterotroph

6.

What is an omnivore?

a)

Only meat eaters

b)

Only plant eaters

c)

They eat both meat and plants.

7.

What does the arrow in a food chain mean?

a)

It is the energy passed from one organism to another

b)

food

c)

I don't know

8.

What is the difference between a food chain and a food web?

a)

Food chain is linear, less organisms

Food web has more organisms interconnected

b)

they are the same thing

9.

How much energy is pass from one level to the next?

a)

5%

b)

25%

c)

all of it

d)

10%

10.

Summarize what you have learned in your notes today!

4 lines
11.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
12.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
13.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
14.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
15.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
16.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
17.

In this food chain, where does the lizard get its energy from?

a)

plant

b)

grasshopper

c)

mushrooms

d)

sun

18.
What is a food web?
a)
a web created by a spider to trap its food
b)
a network of food chains in an ecosystem
c)
a community of plants and animals
d)
the food that one animal eats
19.
What is a food chain?
a)
A long chain made of food 
b)
A list of ingredients used to cook food 
c)
How animals depend on plants and animals to survive
20.
What do you call an animal that hunts and eats other animals?
a)
Prey
b)
Producer
c)
Predator 
d)
Decomposer 
21.
Which is an example of a producer?
a)
A Human
b)
A Spider
c)
A Tree 
d)
A Caterpillar 
22.
What do Omnivores eat?
a)
Meat
b)
Plants 
c)
Meat and plants 
d)
Only meat 
23.
An animal that eats plants rather than other animals is called:
a)
Meat Eater
b)
Carnivore
c)
Herbivore
d)
Omnivore
24.
If an animal becomes extinct, which part of the food chain is affected? 
a)
The whole food chain is affected
b)
Only animals at the top of the food chain are affected 
c)
Only animals at the bottom of the food chain are affected 
25.
A plant or animal that gets its energy (food) from other living things is called:
a)
Decomposers
b)
Consumers
c)
Carnivores
d)
Herbivores
26.
The complex network of food chains in an ecosystem is called:
a)
Food Web
b)
Food Chain
c)
Ecosystem
d)
Population
27.
An ordered arrangement of animals and plants in which each feeds on the one below it in the chain is called:
a)
Habitat
b)
Population
c)
Food Chain
d)
Food Web
28.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
29.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
30.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
31.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
32.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
33.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
34.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
35.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
36.

Which of the following is a list of producers?

a)

Maple tree, sunflower, grass

b)

Sunfish, apple tree, ferns

c)

moss, bunny, water

d)

tulips, Bears, snakes

37.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
38.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
39.
The complex network of food chains in an ecosystem is called:
a)
Food Web
b)
Food Chain
c)
Ecosystem
d)
Population
40.
An ordered arrangement of animals and plants in which each feeds on the one below it in the chain is called:
a)
Habitat
b)
Population
c)
Food Chain
d)
Food Web
41.
What do you call an animal that hunts and eats other animals?
a)
Prey
b)
Producer
c)
Predator 
d)
Decomposer 
42.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
43.
An animal that is hunted and eaten for food is a 
a)
predator
b)
prey
c)
population
44.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
45.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
46.

Why might an organism have more than one arrow coming FROM them in a food web?

a)

More than one organism may eat them.

b)

They may eat more than one other organism.

c)

This organism gets its energy from multiple sources.

47.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
48.
Which organism has the most energy and which organism has the least amount of energy? Choose the best answer. 
a)
mosquito and grass
b)
mouse and grass
c)
grass and owl
d)
grass and small bird
49.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
50.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
51.
Why is there a limited amount of energy that can be passed on to the next feeding level?
a)
There is never enough sunlight available. 
b)
Some ecosystems have limited resources. 
c)
Organisms use some of the energy they get from eating.
d)
All the energy is available to be passed on. 
52.
Does this food web have arrows pointing the right way?
a)
yes
b)
no
53.
Mushrooms break down dead and decaying wood in the forest.  Which of the following terms best describes the mushroom?
a)
Mold
b)
Algae
c)
Parasite
d)
Decomposer
54.

According to the food web, what are the predator-prey relationships in the ecosystem? Select all correct answers.

a)

Hawk & Rabbit

b)

Hawk & Snake

c)

Snake & Rabbit

d)

Rabbit & Grass

55.

Competition is shown in food webs because it shows multiple predators eating a common prey resource.

According to the food web, what organisms could be in a competitive relationship if their prey has a low population?

a)

The snake and hawk could be in a competitive relationship for the rabbit prey.

b)

The snake and rabbit could be in a competitive relationship for the hawk prey.

c)

The rabbit and hawk could be in a competitive relationship for the snake prey.

56.

An invasive species can impact food webs. These are organisms that:

a)

Are highly adaptable to specific ecosystems

b)

Are new and native to an ecosystem

c)

Have no natural food sources

d)

Have no natural predators

57.
In feeding relationships, not all energy is passed along since:
a)
It's used by the prey during its life to perform life functions
b)
The prey has not consumed all the food it possibly could
c)
The predator uses so much energy to catch the prey
d)
The prey was very tried, and likely sick, when it was eaten
58.

In the energy pyramid pictured here, which organism has the LEAST amount of energy available to it?

a)

Producer

b)

Herbivore

c)

Carnivore

d)

Top Predator

59.

In the food chain pictured here, where does the snake get its energy from?

a)

Hawk

b)

Grasshopper

c)

Frog

d)

Fungi

60.

In the food web pictured here, flies provide energy for...

a)

Dragonflies, Turtles, & Frogs

b)

Slugs & Fish

c)

Water Weeds & Algae

d)

Snakes, Frogs, & Kingfishers

61.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
62.
An organism that needs to eat other organisms to obtain energy is known as a:
a)
Autotroph
b)
Producer
c)
Consumer
d)
Mutualist
63.
An organism that uses sunlight to create its own food is known as a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
64.
What does a food chain represent?
a)
How all living organisms within a habitat are connected.
b)
All of the things that a particular animal eats.
c)
How plants create their own food.
d)
A single path of energy transfer within a habitat.
65.
The arrows in a food chain or web represents what?
a)
They point to the organism that is being eaten.
b)
It shows how sunlight flows within an ecosystem.
c)
They show what direction the energy is flowing between organisms. 
d)
They represent how water is transferred within a habitat.
66.
What does a food web represent?
a)
All connections of energy flow throughout all organisms in a habitat.
b)
The specific ways that mutualism is carried out.
c)
A single pathway or energy flow between organisms. 
d)
How carnivores get their food. 
67.
What is a trophic level?
a)
Each level represented within a food chain or web.
b)
Levels of ecosystems that the world is divided into.
c)
Different levels of nutrients present within an organism.
d)
The levels of sunlight an autotroph needs to survive. 
68.
Why is there a limited amount of energy that can be passed on to the next feeding level?
a)
There is never enough sunlight available. 
b)
Some ecosystems have limited resources. 
c)
Organisms use some of the energy they get from eating.
d)
All the energy is available to be passed on. 
69.
Why might an organism have more than one arrow coming from them in a food web?
a)
More than one organism may eat them. 
b)
They may eat more than one other organism. 
c)
This organism gets its energy from multiple sources. 
d)
They have no resources available to them.
70.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
71.
What may happen if the snowshoe hare was removed from the food web pictured?
a)
The insects in the habitat would increase.
b)
The shrew population would decrease due to being only hawk food source.
c)
The willow tree population would decrease.
d)
Foxes would dies due to no food source. 
72.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
73.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
74.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
75.
The image provided is an example of a:
a)
Producer
b)
Heterotroph
c)
Consumer
d)
Decomposer
76.
The image provided is an example of a(n):
a)
Autotroph
b)
Carnivore
c)
Herbivore
d)
Decomposer
77.
The image provided is an example of a(n):
a)
Carnivore
b)
Herbivore
c)
Producer
d)
Autotroph
78.
The image provided is an example of a(n):
a)
Producer
b)
Autotroph
c)
Consumer
d)
Insect
79.
What are plants called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Scavengers
80.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
81.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
82.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
83.
What is the role of a producer?
a)
Use sunlight to make food
b)
Gain energy from eating other organisms
c)
Keep other species from overpopulating
d)
Breaking down dead stuff 
84.
What's the role of consumers in a food chain?
a)
Use sunlight to make food 
b)
Eat other species and keep them from overpopulating
c)
Break down dead stuff
d)
Add nutrients to the soil
85.
What is the role of decomposers in a food chain?
a)
Use sunlight to make food
b)
Eat other organisms to gain energy
c)
Make the food for the whole food chain
d)
Break down dead organisms and add nutrients to the soil
86.
Which of these organisms would receive energy from the snake?
a)
Plant
b)
Rabbit
c)
Mouse
d)
Hawk
87.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
88.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
89.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
90.
Which of the following is a producer?
a)
Maple tree
b)
Sunfish
c)
Bunny
d)
Bear
91.
Producers get their energy from the ______.
a)
water
b)
Sun
c)
eating animals
d)
eating plants
92.
Which organism is a decomposer?
a)
grass
b)
mouse
c)
mushroom
d)
caterpillar
93.
Which food chain is in the correct order?
a)
cat, grass, bird, snail
b)
bird, snail, grass, cat
c)
grass, snail, bird, cat
d)
grass, cat, bird, snail
94.
Molds, bacteria, and worms are ________.
a)
decomposers
b)
producers
c)
consumers
d)
food chains
95.
Example of a decomposer
a)
fungus
b)
mouse
c)
plants
d)
frogs
96.
A tree is a ....
a)
composer
b)
decomposer
c)
producer
97.
Humans are considered...
a)
consumers
b)
decomposers
c)
producers
98.
Frogs are considered...
a)
consumers
b)
decomposers
c)
producers
99.

Passing of energy, in the form of food, from one organism to another

a)

food cycle

b)

food network

c)

food chain

d)

food system

100.

Overlapping food chains

a)

food cycle

b)

food network

c)

food system

d)

food web

101.

Consumer that eats only plants

a)

omnivore

b)

insectivore

c)

carnivore

d)

herbivore

102.

Consumer that eats only other animals

a)

omnivore

b)

frugivore

c)

carnivore

d)

herbivore

103.

Consumer that eats both plants and animals

a)

omnivore

b)

fungivore

c)

carnivore

d)

herbivore

104.

Amount of energy in a food pyramid transferred from one level to the next

a)

0%

b)

10%

c)

78%

d)

100%

105.

If a disease strikes the snakes the rabbits will

a)

increase

b)

decrease

c)

not be affected

106.

If a disease strikes the snakes the hawks will

a)

increase

b)

decrease

c)

not be affected

107.
Which is a producer?
a)
deer
b)
tall grass
c)
lion
d)
worm
108.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
109.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
110.

This is a

a)

food web for the artic biome

b)

food chain for the artic biome

c)

food web for a forest

d)

food chain for a forest

111.

This is a

a)

food web for the artic biome

b)

food chain for the artic biome

c)

food web for a forest

d)

food chain for a forest

112.

What are the abiotic factors in this picture?

a)

Sun

b)

producers

c)

air

d)

herbivores

e)

water

113.

What are biotic factors in the picture?

a)

Decomposers

b)

soil

c)

carnivores

d)

water

e)

omnivores

114.
What is a producer?
a)
an organism that gets energy from EATING other organisms
b)
an organisms that uses sunlight to MAKE its own food
c)
an organism that gets energy from eating DEAD organisms
115.
What is a herbivore?
a)
an animal that gets energy from eating other ANIMALS
b)
an organism that gets energy from eating only PLANTS
c)
an animal that gets energy by eating BOTH plants and other animals
116.
An animal that gets energy from eating BOTH plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
117.
Bacteria, fungi, and earthworms are examples of: 
a)
producers
b)
predators
c)
prey
d)
decomposers
118.
In a food chain, the first link (where the energy begins) is always:
a)
a primary consumer
b)
a decomposer
c)
a producer
d)
an omnivore
119.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
120.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
121.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
122.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
123.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
124.
Which of the following best describes the blue bird's (in the middle) role in this ecosystem?
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
125.
Resource that restricts a population's growth
a)
Limiting Factors
b)
Balance of Nature
c)
Food Chain
d)
Food Web
126.
TRUE  or FALSE: Food webs are several food chains that are linked together.
a)
TRUE
b)
FALSE
127.
What does the arrow mean in a food chain or food web?
a)
An organism comes next
b)
Gets eaten by
c)
Go left
d)
Go right
128.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
129.

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

130.

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

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

131.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

132.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
133.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
134.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
135.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
136.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
137.

What level consumer is the deer?

a)

primary

b)

secondary

c)

tertiary

d)

producer

138.

Living things in an ecosystem are known as

a)

abiotic

b)

biotic

139.
As a predator this lion is also an example of a ______________.
a)
Producer
b)
Autotroph
c)
Carnivore
d)
Herbivore
140.
Which animal is a tertiary consumer?
a)
Jackal
b)
Wild Cat
c)
Lion
d)
Owl
141.
The largest part of an ecosystem is always the ________________.
a)
Primary Consumers
b)
Primary Producers
c)
Quarternary Consumers
d)
Secondary Consumers
142.

All living things need _______ to stay alive.

a)

producers

b)

consumers

c)

energy

d)

prey

143.

Which of the following would be an example of a prey and predator relationship?

a)

bee and a flower

b)

corn and a pig

c)

rabbit and a fox

d)

berry bush and a deer

144.

How do plants make their own food?

a)

photosynthesis

b)

predators

c)

decomposers

d)

producers

145.

Why are decomposers important in an ecosystem?

a)

They can cause sickness

b)

Producers can eat them

c)

They break down dead organisms into simpler materials

d)

They take things out of the soil

146.

How do consumers gain energy?

a)

from Sunlight

b)

by eating producers and other consumers

c)

by go to the store and buying food

d)

by making their own food

147.

If the number of frogs decreases, what would happen to the crickets that the frogs would eat?

a)

The number of crickets would decrease

b)

The number of crickets would increase

c)

The number of crickets would remain the same

d)

The crickets would move away.

148.

This is a

a)

food web for the artic biome

b)

food chain for the artic biome

c)

food web for a forest

d)

food chain for a forest

149.

What are the abiotic factors in this picture?

a)

Sun

b)

producers

c)

air

d)

herbivores

e)

water

150.

What are biotic factors in the picture?

a)

Decomposers

b)

soil

c)

carnivores

d)

water

e)

omnivores

151.
What is a producer?
a)
an organism that gets energy from EATING other organisms
b)
an organisms that uses sunlight to MAKE its own food
c)
an organism that gets energy from eating DEAD organisms
152.
What is a herbivore?
a)
an animal that gets energy from eating other ANIMALS
b)
an organism that gets energy from eating only PLANTS
c)
an animal that gets energy by eating BOTH plants and other animals
153.
An animal that gets energy from eating BOTH plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
154.
Bacteria, fungi, and earthworms are examples of: 
a)
producers
b)
predators
c)
prey
d)
decomposers
155.
In a food chain, the first link (where the energy begins) is always:
a)
a primary consumer
b)
a decomposer
c)
a producer
d)
an omnivore
156.
An animal that gets energy from eating both plants and animals is a 
a)
herbivore
b)
carnivore
c)
omnivore
d)
autotroph
157.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
158.
What are the organisms that break down dead stuff?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Organisms
159.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
160.
Which of these is true about this food web?
a)
The Owl gets its energy from the producer.
b)
The Lion gets its energy only from a wild cat.
c)
The Kite gets its energy from the goat.
d)
The Mouse is most likely to die, several ways.
161.
Which of the following best describes the blue bird's (in the middle) role in this ecosystem?
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
162.
Resource that restricts a population's growth
a)
Limiting Factors
b)
Balance of Nature
c)
Food Chain
d)
Food Web
163.
TRUE  or FALSE: Food webs are several food chains that are linked together.
a)
TRUE
b)
FALSE
164.
What does the arrow mean in a food chain or food web?
a)
An organism comes next
b)
Gets eaten by
c)
Go left
d)
Go right
165.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
166.

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

167.

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

a)

wildflowers

b)

rabbit

c)

snake

d)

grass

168.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

169.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
170.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
171.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
172.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
173.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
174.

What level consumer is the deer?

a)

primary

b)

secondary

c)

tertiary

d)

producer

175.

Living things in an ecosystem are known as

a)

abiotic

b)

biotic

176.
As a predator this lion is also an example of a ______________.
a)
Producer
b)
Autotroph
c)
Carnivore
d)
Herbivore
177.
Which animal is a tertiary consumer?
a)
Jackal
b)
Wild Cat
c)
Lion
d)
Owl
178.
The largest part of an ecosystem is always the ________________.
a)
Primary Consumers
b)
Primary Producers
c)
Quarternary Consumers
d)
Secondary Consumers
179.

All living things need _______ to stay alive.

a)

producers

b)

consumers

c)

energy

d)

prey

180.

Which of the following would be an example of a prey and predator relationship?

a)

bee and a flower

b)

corn and a pig

c)

rabbit and a fox

d)

berry bush and a deer

181.

How do plants make their own food?

a)

photosynthesis

b)

predators

c)

decomposers

d)

producers

182.

Why are decomposers important in an ecosystem?

a)

They can cause sickness

b)

Producers can eat them

c)

They break down dead organisms into simpler materials

d)

They take things out of the soil

183.

How do consumers gain energy?

a)

from Sunlight

b)

by eating producers and other consumers

c)

by go to the store and buying food

d)

by making their own food

184.

If the number of frogs decreases, what would happen to the crickets that the frogs would eat?

a)

The number of crickets would decrease

b)

The number of crickets would increase

c)

The number of crickets would remain the same

d)

The crickets would move away.

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