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WorksheetsEcosystems/ Food Chain/Web
Total questions: 35
Worksheet time: 19mins
Name
Class
Date
1.
An ________ eats both plants and animals.
a)
carnivore
b)
omnivore
c)
herbivore
d)
producer
2.
A ______________ eats mainly other animals.
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
3.
A ____________ breaks down waste or dead organisms and recycles nutrients.
a)
consumer
b)
producer
c)
decomposer
d)
omnivore
4.
A(n) ________________ eats mainly plants.
a)
producer
b)
carnivore
c)
herbivore
d)
omnivore
5.
An animal that hunts for its food
a)
prey
b)
predator
c)
producer
d)
decomposer
6.
An animal that is hunted for food.
a)
predator
b)
prey
c)
consumer
d)
decomposer
7.
Shows how energy flows from one organism to another.
a)
food cycle
b)
prey chain
c)
food chain
d)
predator cycle
8.
An organism that makes its own food for energy
a)
consumer
b)
predator
c)
prey
d)
producer
9.
An organism that cannot make its own food
a)
consumer
b)
producer
c)
tree
d)
leaf
10.
Which is the best description of an ecosystem?
a)
all of the living and nonliving things in an area
b)
all of the individuals of one species in an are
c)
all of the populations of living things in an area
d)
all of the abiotic factors in an area
11.
What is the role of a tree in a food chain?
a)
It breaks down wastes and dead organisms
b)
It uses the sun's energy to make food.
c)
It eats other organisms.
d)
It cannot make its own food.
12.
This drawing shows a forest ecosystem. Which of the animals is an herbivore?
a)
fox
b)
frog
c)
deer
d)
ducks
13.
What is the name for all the animals of the same species living in an ecosystem?
a)
Population
b)
Community
14.
Which is a non-living part of an ecosystem?
a)
Sunlight
b)
Air
c)
Water
d)
All of these
15.
Which of these is NOT an example of an ecosystem?
a)
Rainforest
b)
A city
c)
Desert
d)
Deep ocean
16.
What connects many
food chains?
food chains?
a)
non-renewable resouce
b)
food web
c)
primary consumer
d)
renewable resource
17.
All ecosystems begin with the
__________.
__________.
a)
animals
b)
decomposer
c)
plants
d)
sun
18.
When organisms need the same limited resources, there is ______________ .
a)
an extra resource
b)
competition
c)
extinction
d)
mutation
19.
Choose the complete and logical food chain.
a)
sun-plant-rabbit- eagle
b)
deer - squirrel- plant-sun
c)
sun -deer-plant- eagle
d)
eagle- squirrel-rabbit- plant- eagle
20.
In the food web, which organisms are producers?
a)
frog and rat
b)
rat and leaves
c)
leaves and berries
21.
Which best describes why decomposers can be called “nature’s recyclers”?
a)
Decomposers help to recycle air in ecosystems.
b)
Decomposers help to recycle nutrients in the soil.
c)
Decomposers help to recycle trash in ecosystems.
d)
Decomposers help to recycle water in ecosystems.
22.
Which organisms directly use light energy from the sun to obtain food?
a)
producers
b)
decomposers
c)
carnivore
d)
herbivore
23.
A brown bear eats a variety of foods including berries, insects, and small animals. Which best describes a brown bear?
a)
producer
b)
herbivore
c)
carnivore
d)
omnivore
24.
a)
food chain
b)
ecosystem
c)
food web
d)
food diagram
25.
Animals get their energy from
a)
air
b)
sunlight
c)
water
d)
food
26.
This is a(n)
a)
ecosystem
b)
food web
c)
food chain
d)
habitat
27.
The producer is the
a)
grass
b)
grasshopper
c)
frog
d)
eagle
28.
The herbivore is the
a)
grass
b)
grasshopper
c)
frog
d)
eagle
29.
The carnivore is the
a)
grass
b)
grasshopper
c)
frog
d)
all of these
30.
The frog is prey for the
a)
eagle
b)
grasshopper
c)
grass
d)
snake
31.
The snake is prey for the
a)
eagle
b)
grasshopper
c)
grass
d)
snake
32.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
33.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
34.
A fox is an example of...
a)
Biotic Factor
b)
Abiotic Factor
35.
A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
a)
Mouse and cat populations both go up?
b)
Mouse and cat populations both go down
c)
Mouse population goes down as cat population goes up
d)
Mouse population goes up as cat population goes down
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