WorksheetsFood Chains and Food Webs
Total questions: 25
Worksheet time: 23mins
Name
Class
Date
1.
The animals that predators eat
a)
Predators
b)
Consumer
c)
DOODOO
d)
Prey
2.
An animal that eats the remains of animals that have died
a)
Fungi
b)
BUNNYS
c)
Vultures
d)
All of the above
3.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
4.
A producer in a food chain.
a)
Elephant
b)
Prey
c)
Consumer
d)
Autotroph
5.
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.
6.
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.
7.
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.
8.
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.
9.
An energy pyramid represents what?
a)
How much sunlight is available for the ecosystem to use.
b)
How much energy a particular organism needs.
c)
How much energy is needed to build a pyramid.
d)
The amount of energy available to the next 'feeder' in a food web.
10.
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.
11.
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.
12.
The largest group of organisms found in a food web would be:
a)
Primary Consumers
b)
Producers
c)
Decomposers
d)
Tertiary Consumers
13.
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.
14.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
15.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
16.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
17.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
18.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
19.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
20.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
21.
Does this food web have arrows pointing the right way?
a)
Yes
b)
No
22.
Which of the following best describes the small bird in the food web above?
a)
primary and secondary consumer
b)
secondary and tertiary consumer
c)
primary consumer only
d)
secondary consumer only
23.
Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?
a)
There would be a decrease in the small bird population.
b)
There would be a decrease in the grass/flowers population.
c)
There would be a decrease in the mice population.
d)
There would be an increase in the grass/flowers population.
24.
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
25.
Does this food web have arrows pointing the right way?
a)
yes
b)
no
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