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WorksheetsFood Webs and Food Chains
Total questions: 55
Worksheet time: 3hrs 52mins
Name
Class
Date
1.
What is the starting source energy for all food chains?
a)
grass
b)
sun
c)
bug
d)
mushrooms
2.
What is this called in a food chain?
a)
Producer
b)
Consumer
c)
Decomposer
3.
What is this?
a)
Producer
b)
Consumer
c)
Decomposer
4.
Which of the following is a herbivore?
a)
cricket
b)
frog
c)
hawk
d)
shrew
5.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
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 is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
8.
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.
9.
The fox in this food web would be considered a:
a)
Carnivore
b)
Producer
c)
Herbivore
d)
Omnivore
10.
Which organism do the owl and the weasel compete for in the food web?
a)
Hawk
b)
Spider
c)
Grasshopper
d)
Shrew
11.
Does this food web have arrows pointing the right way?
a)
Yes
b)
No
12.
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.
13.
Does this food web have arrows pointing the right way?
a)
yes
b)
no
14.
An organism that gets energy from eating other organisms is a ______________
a)
producer
b)
consumer
c)
decomposer
15.
Carnivores that hunt and eat other animals.
a)
carnivores
b)
predators
16.
Overlapping food chains in an ecosystem make up....
a)
food web
b)
food chain
c)
niche
d)
symbiosis
17.
Is the rabbit in the same food chain as the owl?
a)
No
b)
Yes
18.
An animal that kills another animal for food is called
a)
prey
b)
predator
c)
producer
d)
herbivore
19.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
20.
What are decomposers?
a)
Bacteria,fungi....
b)
Sheeps, cows....
c)
Flies, birds....
d)
Fish, Shark....
21.
Who is the consumer in this food chain?
a)
The grass
b)
The rabbit
c)
The rabbit and fox
d)
The fox
22.
Who is the producer in this food chain?
a)
The rabbit
b)
The grass
c)
The fox
d)
There is no such thing as a producer
23.
An Example of Predator and prey is...
a)
cats and dogs
b)
rats
c)
deer and bunny
d)
bear and deer, the bear eats the deer
24.
Which of the following organisms in the food web is a producer?
a)
Giant Panda
b)
Snow Leopard
c)
Mushroom
d)
Bamboo
25.
Use the diagram to answer the question.
The Mayfly is a food source for which 3 organisms?
The Mayfly is a food source for which 3 organisms?
a)
Frog, Dragon Fly and snake
b)
Frog, trout and dragon fly
c)
Frog, salamander and trout
d)
Frog and phytoplankton
26.
Energy increases as you move up the food pyramid (from bottom to top).
a)
True
b)
False
27.
In the food web shown, the smaller bird would be considered....
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
28.
In the energy pyramid here, which organisms have the most energy available?
a)
Producers
b)
Carnivores
c)
Herbivores
d)
Top Predator
29.
In the energy pyramid below, which organism has the least amount of energy available?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Top Predator
30.
This diagram shows the amount of energy that moves from one feeding level to another in a food web.
a)
Energy Pyramid
b)
Food Web
c)
Ecosystem
d)
Food Chain
31.
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
32.
In the energy pyramid here, how much of the energy in each level gets lost as heat or used by the organism for survival?
a)
80%
b)
90%
c)
10%
d)
20%
33.
In an energy pyramid, energy_______ as you move up the pyramid.
a)
Increases
b)
Decreases
c)
Stays the same
d)
Changes up and down
34.
a living thing that breaks down dead plants and animals; they turn dead material into fertile soil
a)
decomposer
b)
scavenger
c)
consumer
d)
producer
35.
an animal that eats both plants and animals
a)
carnivore
b)
herbivore
c)
omnivore
d)
consumer
36.
The diagram is intended to show relationships in an ecosystem. What do the arrows represent?
a)
The direction of population migration
b)
Differences in dietary habits
c)
Progressively smaller organisms
d)
The direction of the energy flow
37.
A consumer gets energy by doing what?
a)
Making it themselves.
b)
Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
c)
Soaking it up from the ground.
d)
Feeding on other organisms.
38.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
39.
How are invasive species managed?
a)
They aren't
b)
By killing everything and hoping
c)
New laws have prevented most invasions from happening
d)
Lasers
40.
This invasive plant came from Asia and was believed to be a pretty decoration. Unfortunately, it covers native plants and blocks sunlight from reaching them.
a)
Kudzu Vine
b)
Feral Swine
c)
Sea Lamprepy
d)
Zebra Mussels
41.
The Asian Carp is causing what type of damage/risks to native animals?
a)
A. It is eating the food of the native fish.
b)
B. It is jumping out of the water, injuring boaters.
c)
C. It destroys crops and clogs pipes.
d)
D. Both answers A and B are correct.
42.
Why do the populations of invasive species grow so quickly?
a)
Invasive Species are native to an area.
b)
Invasive species are prey to many animals.
c)
Invasive species have no predators.
d)
Invasive species keep the ecosystems in equilibrium.
43.
In this Food Web Pyramid Which type of consumer gets only 10% of the energy stored in plants?
a)
Herbivore
b)
Carnivore
c)
Omnivore
d)
Secondary Consumer
44.
Decomposers affect all levels of the food web.
a)
True
b)
False
45.
The hyenas and lions in The Lion King both want to eat all the antelope. This is...
a)
Cooperation
b)
Competition
46.
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.
d)
They have no resources available to them.
47.
Another word for a living thing is a:
a)
animal
b)
organism
c)
plant
d)
community
48.
A mouse eats the grass, a snake eats the mouse and the hawk eats the snake. Who has the least amount of the original energy from this food chain?
a)
Mouse
b)
Grass
c)
Snake
d)
Hawk
49.
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
d)
an animal that makes its own energy through photosynthesis
50.
If a frog is the prey, what could be the predator?
a)
Grass
b)
Insect
c)
Snake
d)
Snail
51.
What is the name for the organism that eats the primary consumer?
a)
secondary consumer
b)
tertiary consumer
c)
producer
d)
decomposer
52.
What would most likely happen if an ecosystem no longer received sunlight?
a)
The number of herbivores would increase
b)
The number of plants would increase
c)
all organisms would adapt
d)
All living organisms would eventually die
53.
Field mice eat corn. Which would most likely happen if the field mouse population grew?
a)
There would be more corn to feed the field mice.
b)
There would be less corn due to the mice eating it.
c)
The habitat would get overpopulated because the mice woudl eat too much.
54.
How many carnivores are shown in this food web?
a)
6
b)
4
c)
5
d)
3
55.
Without bacteria in the ecosystem, what would happen?
a)
THere would be no oxygen available
b)
Nobody would ever get sick again.
c)
Nothing would change
d)
Dead materials would pile up.
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