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WorksheetsLiving Things and Ecosystems
Total questions: 29
Worksheet time: 15mins
Name
Class
Date
1.
Animals that live in a pond ecosystem all need which of the following?
a)
gills
b)
air
c)
sunlight
d)
lily pads
2.
What does the process of digestion break down?
a)
food
b)
air
c)
sunlight
d)
decomposers
3.
All food chains_____________________
a)
have more consumers than producers
b)
produce and use same amount of energy
c)
begin with a producer
d)
are unhealthy
4.
Plants produce sugar and oxygen through what process?
a)
Digestion
b)
Carbon Dioxide
c)
Fermentation
d)
Photosynthesis
5.
An organism that gets food by eating other organisms?
a)
producer
b)
consumer
c)
herbivore
d)
decomposer
6.
An ecosystem where many different kinds of organisms can meet their needs is known to be__________.
a)
healthy
b)
pond habitat
c)
unhealthy
d)
severe drought
7.
Non-native specie causing harm to its environment is called an___________.
a)
extinct
b)
algae
c)
invasive species
d)
consumer
8.
What do ecologists study?
a)
plants
b)
photosynthesis
c)
ecosystems
d)
dinosaurs
9.
How does energy enter an ecosystem?
a)
sunlight
b)
soil
c)
animals
d)
invasive species
10.
What are producers?
a)
organisms that store extra food
b)
organisms that make their own food
c)
breaks down dead organisms
d)
decomposes nutrients
11.
Living things acquire matter from their environment and release ________ back into it.
a)
waste
b)
sunlight
c)
air
d)
soil
12.
Which of the following is an example of a natural change?
a)
trees cut down to make paper
b)
forests cut down to make roads
c)
drought that causes plants to die
d)
no more fish in a pond
13.
What is an organism that breaks down dead organisms and wastes to live and grown?
a)
herbivore
b)
consumer
c)
producer
d)
decomposer
14.
How do bacteria stay active?
a)
live in places where they are surrounded by food sources
b)
store excess food
c)
they don't eat
d)
they get their energy by staying close to fungi
15.
Which animals are examples of consumers?
a)
hawks and plants
b)
lion and hawks
c)
plankton
d)
algae and fish
16.
Pollution is anything that people add to the environment that__________________.
a)
for good reasons
b)
benefits an ecosystem
c)
produces plants
d)
harms living things
17.
Pollution is anything that people add to the environment that__________________.
a)
disappearing particles
b)
benefits an ecosystem
c)
produces plants
d)
harms living things
18.
What happens after an ecosystem is destroyed?
a)
returns back to how it was before
b)
can sometimes be restored
c)
nothing
d)
can never recover
19.
Slow changes that take place in an ecosystem that has been disturbed, is known as__________.
a)
succession
b)
disturbed
c)
fire
d)
what destroys an ecosystem
20.
A lion, captures and eats other animals. What is he considered?
a)
prey
b)
predator
c)
producer
d)
healthy
21.
Which of the following animals is considered to be prey?
a)
wolves
b)
tigers
c)
hawks
d)
fish
22.
Most ecosystems have many food chains. What are food chains that overlap in an ecosystem and show feeding relationships?
a)
unhealthy
b)
energy pyramid
c)
food web
d)
matter
23.
If climate change affects an ecosystem, what will happen to the organisms that don't change?
a)
they will form a new ecosystem
b)
they can disappear
c)
they are unaffected
d)
human development
24.
Where is the most energy held in an energy pyramid?
a)
at the bottom (producers)
b)
middle of the pyramid
c)
there is no energy
d)
at the top (third stage consumers)
25.
What is an example of a decomposer?
a)
rabbits
b)
mushrooms
c)
fungi and some bacteria
d)
trees
26.
A mixture of soil and decaying matter that provides materials for plants is known as _______?
a)
compost
b)
garbage
c)
plants
d)
excess food
27.
What is the process of moving blood?
a)
respiration
b)
blood vessels
c)
digestion
d)
circulation
28.
How do consumers get their energy?
a)
laying in the sun
b)
eating other organisms
c)
providing food for other organisms
d)
surviving in an ecosystem
29.
What is an ecosystem?
a)
producing food from sunlight
b)
animals that live in certain areas
c)
living and nonliving things that interact in an area
d)
a person who studies an environment
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