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WorksheetsEcosystems
Total questions: 25
Worksheet time: 13mins
Name
Class
Date
1.
Makes its own food
a)
consumer
b)
herbivore
c)
producer
d)
carnivore
2.
Living and non-living things in an area
a)
ecosytem
b)
environment
c)
abiotic
d)
biotic
3.
All living things that interact in an environment make up an _______________.
a)
environment
b)
ecosystem
c)
population
d)
community
4.
Environment that meets the needs of a living thing
a)
population
b)
community
c)
habitat
d)
niche
5.
Movement of energy in a sequence
a)
food web
b)
consumer
c)
decomposer
d)
food chain
6.
A group of the same kind of living things in an environment
a)
community
b)
consumer
c)
producer
d)
population
7.
A role of a living thing
a)
producer
b)
consumer
c)
habitat
d)
niche
8.
A living thing that feeds on the remains of animals and plants
a)
producer
b)
consumer
c)
omnivore
d)
decomposer
9.
An animal that eats plants or other animals
a)
carnivore
b)
herbivore
c)
omnivore
d)
decomposer
10.
What will happen to available resources if the habitat experiences a drought.
a)
The producers will increase.
b)
The consumers will increase.
c)
The resources will decrease.
d)
The resources will remain the same.
11.
Recently a family of cats move into an area with a large population of mice. What changes may occur happen to that ecosystem.
a)
Mice and cat population decreases
b)
Mice and cat population increases.
c)
Cat population decreases and mice population increases
d)
Cat population increases and mice population decreases
12.
What is the role of a producer in a food web?
a)
to produce water
b)
to produce food
c)
to eat other organisms
d)
to decompose the bodies of dead animals
13.
What is the name of consumers that are eaten?
a)
carnivores
b)
fossils
c)
predators
d)
prey
14.
Which of the following animals is an herbivore?
a)
grizzly bear
b)
cow
c)
hawk
d)
lion
15.
Crystal observed rabbits, wildflowers, and a coyote. Which sequence correctly shows the transfer of energy among these things?
a)
coyote-wildflower-rabbit
b)
`coyote-rabbit-wildflowers
c)
wildflowers-coyote-rabbit
d)
wildflowers-rabbit-coyote
16.
What happens to a population if there are too many first level consumers in a habitat?
a)
The number of producers in the habitat gets too low
b)
There is not enough for second-level consumers to eat
c)
It causes a change in climate
d)
Nothing happens to the habitat
17.
Bears are omnivores. Which meal would they eat?
a)
grass only
b)
berries and fish
c)
fish only
d)
herbivores only
18.
Which of the following describes a population?
a)
a family living together in a house
b)
a blue jay living alone in a tree
c)
all the trout living in a lake
d)
all the plants and animals in a forest
19.
Which living things provide food for herbivores?
a)
producers
b)
carnivores
c)
decomposers
d)
consumers
20.
Picture an energy pyramid. Why does the number of living things decrease as you move toward the top?
a)
The amount of sunlight decreases.
b)
There is not enough air in the environment for a large number of living things.
c)
The amount of energy available to living things decreases.
d)
There is not enough water in the environment for a large number of living things.
21.
Aphids are eating the rosebuds. A ladybug beetle is eating the aphids. Which term describes the aphids?
a)
predator
b)
first-level consumer
c)
producer
d)
second-level consumer
22.
What is the role of decomposers in an ecosystem
a)
to reduce predators in an area
b)
to provide food for the consumers
c)
to capture the sun's energy
d)
to break down dead plants
23.
What would happen if the number of decomposers in an ecosystem was reduced?
a)
Dead plant and animal matter would break down more slowly
b)
Temperatures would rise, causing dry weather
c)
Other organisms would move away to find new sources of food
d)
Rainfall would increase, causing floodiong
24.
Which organism is a producer?
a)
a plant
b)
a frog
c)
a grasshopper
d)
a bird
25.
Which organism is responsible for changing the sun's energy into food energy?
a)
a beaver
b)
seaweed
c)
a duck
d)
a snake
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