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WorksheetsFood webs and energy flows
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
The path of food energy in an ecosystem from plants to animals.
a)
omnivore
b)
food chain
c)
producer
d)
consumer
2.
What is the term for food chains that overlap
a)
consumer
b)
food web
c)
extinction
d)
producers
3.
What type of organism is at the beginning of every food chain?
a)
predator
b)
carnivore
c)
producer
d)
herbivore
4.
This diagram shows how energy flows through an eco-system. What is the first source of energy in this pyramid?
a)
sharks and large birds
b)
algae, plankton and seagrass
c)
herbivorous fish, crustaceans and sea urchins
d)
seals and carnivorous fish
5.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
6.
An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.
a)
producer
b)
consumer
c)
decomposer
d)
autotroph
7.
Which of the following is NOT a consumer?
a)
grass
b)
dog
c)
shark
d)
fish
8.
The shrew provides energy for the _______.
a)
cricket
b)
grasshopper
c)
frog
d)
snake
9.
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.
10.
In this energy pyramid, which organism would most likely be in level 2?
a)
bird
b)
fox
c)
caterpillar
d)
tree
11.
Which of these organisms would most likely be found at the top of an energy pyramid?
a)
clams
b)
sardines
c)
sharks
d)
kelp (seaweed)
12.
What is a carnivore?
a)
an animal that gets energy by eating other ANIMALS
b)
An animal that gets energy by eating only PLANTS
c)
an animal that gets energy by eating BOTH plants and animals
13.
This is an image of a _________.
a)
consumer
b)
scavenger
c)
decomposer
d)
producer
14.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
15.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
16.
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
17.
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
18.
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
19.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
20.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
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