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Investigation 1: Food Chains

Total questions: 36

Worksheet time: 1hrs 6mins

Name
Class
Date
1.

The biosphere is all _____ on the earth.

a)

water

b)

land

c)

life

d)

air

2.

Biospheres are systems. What are the subsystems that biospheres are broken down into?

a)

Ecosystems

b)

Microsystems

c)

Hydrosystems

d)

Geosystems

3.
Another word for a living thing is a:
a)
animal
b)
organism
c)
plant
d)
community
4.
Which of the following best describes the blue bird's (in the middle) role in this ecosystem?
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
5.
Which of the following best describes the deer's role in the ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
6.
Which of the following best describes the wolf's role in this ecosystem?
a)
herbivore
b)
omnivore
c)
carnivore
d)
decomposer
7.
Bacteria and fungi typically serve what role in an ecosystem?
a)
herbivore
b)
carnivore
c)
omnivore
d)
decomposer
8.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
9.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
10.
What is this called?
a)
Food Web
b)
Food Chain
c)
Abiotic Factors
11.
Where does the energy start in this food chain?
a)
Plant
b)
Sun
c)
Deer
d)
Wolf
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.

Observe the food chain above. Which organism’s population would increase if finches were removed from the ecosystem?

a)

Grass

b)

Grasshopper

c)

Snake

d)

Hawk

14.

The shortgrass prairie is an ecosystem found in the Great Plains. Many different populations of animals depend on the prairie ecosystem for survival. A typical community includes animals such as snakes, birds, mice, rodents, and insects.


Which food chain most accurately demonstrates the flow of energy in a shortgrass prairie ecosystem?

a)

grasshopper → bird → rodent → buffalo

b)

hawk → snake → mouse → grasshopper

c)

grasshopper → mouse → snake → hawk

d)

snake → hawk → skunk → mouse

15.

The roadrunner is a desert bird that eats fruits and seeds. It also eats insects, spiders, scorpions, and rattlesnakes.


What would likely happen if the roadrunner population disappeared from its ecosystem?

a)

There would be no more fruits or seeds.

b)

There would a decrease in spider populations.

c)

The rattlesnake population would stay the same.

d)

There would be an increase in scorpion populations.

16.

What is one example of the way that energy flows in the food chain above?

a)

Energy flows from grass to the Sun

b)

Energy flows from hawks to snakes

c)

Energy flows from grasshoppers to finches

d)

Energy flows from snakes to finches

17.

The diagram shows a grassland food chain. If the mice are removed from this food chain, which animal population would most likely be affected first?

a)

Plant Seeds

b)

Field Mice

c)

Snakes

d)

Mountain Lions

18.

The diagram shows a food chain.


The squirrel gets its energy directly from -

a)

sun

b)

trees

c)

other squirrels

d)

hawk

19.

In this food chain, where does the lizard get its energy from?

a)

plant

b)

grasshopper

c)

mushrooms

d)

sun

20.

An animal that eats only plants is called a -

a)

carnivore

b)

omnivore

c)

insectivore

d)

herbivore

21.

An animal that eats both plants and animals is called a -

a)

omnivore

b)

herbivore

c)

carnivore

d)

producer

22.
Which organism is a decomposer?
a)
grass
b)
mouse
c)
mushroom
d)
caterpillar
23.
What is the name of the organism at the beginning of every food chain?
a)
producers
b)
consumers
c)
herbivores
d)
carnivores
24.
Organisms that only eat meat are ______.
a)
omnivores
b)
carnivores
c)
herbivores
d)
food chains
25.
Which of these is a decomposer?
a)
Fungi
b)
Hawk
c)
Dog
d)
Grass
26.
An animal that eats other animals is a....
a)
carnivore
b)
omnivore
c)
herbivore
d)
decomposer
27.
Bears eat fish, insects, plants, seeds, nuts and young elk. They are called __________.
a)
Franivore
b)
Carnivore
c)
Herbivore
d)
Omnivore
28.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
29.
What are animals called in a food chain?
a)
Producers
b)
Consumers
c)
Decomposers
d)
Plants
30.

Click on the imgae to make it larger-- Choose the herbivores in the food web....

a)

hawk

b)

mouse

c)

rabbit

d)

snake

31.

Click on the image to make it larger--The rabbit gets energy from the ....

a)

hawk

b)

mouse

c)

wildflowers

d)

grass

32.

Click on the image to make it larger-- Choose all that apply: The hawk gets energy from...

a)

mouse

b)

rabbit

c)

wildflowers

d)

snake

33.
Which type of consumer eats plants only?
a)
Herbivores
b)
Omnivores
c)
Carnivores
d)
Scavengers
34.
Which type of consumer eats meat only?
a)
Producers
b)
Herbivores
c)
Carnivores
d)
Omnivores
35.
Which type of consumer eats meat and plants?
a)
Herbivores
b)
Carnivores
c)
Omnivores
d)
Plants
36.
Which type of consumer is always a first consumer?
a)
Herbivore
b)
Omnivore
c)
Carnivore
d)
Producer

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