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Energy and Matter

Total questions: 47

Worksheet time: 50mins

Name
Class
Date
1.

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

2.

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

3.

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.

4.

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

5.

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

6.

The diagram shows a food chain.


The squirrel gets its energy directly from -

a)

sun

b)

trees

c)

other squirrels

d)

hawk

7.

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

a)

plant

b)

grasshopper

c)

mushrooms

d)

sun

8.

An animal that eats only plants is called a -

a)

carnivore

b)

omnivore

c)

insectivore

d)

herbivore

9.

What is a part of the food chain that makes its own food and nutrients?

a)

consumer

b)

producer

c)

omnivore

d)

sun

10.

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

a)

omnivore

b)

herbivore

c)

carnivore

d)

producer

11.
All energy on Earth ultimately comes from what source?
a)
Water
b)
Sun
c)
Consumers
d)
Oxygen
12.
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.
13.
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. 
14.
The fox in this food web would be considered a:
a)
Tertiary Consumer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
15.
The rabbit in this food web would be considered a:
a)
Decomposer
b)
Producer
c)
Secondary Consumer
d)
Primary Consumer
16.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
17.
The mouse in this food web would be considered a:
a)
Primary Consumer
b)
Producer
c)
Tertiary Consumer
d)
Secondary Consumer
18.

First trophic level of a ecological pyramid includes

a)

producers

b)

primary consumers

c)

secondary consumers

d)

tertiary consumers

19.

what does an energy pyramid show?

a)

Energy flow in a community

b)

Longest lifespans

c)

The stronger animal higher it is on the pyramid

20.

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

21.

In the energy pyramid , how many of the energy in each level gets lost as heat ?

a)

80%

b)

90%

c)

10%

d)

20%

22.
What is the only process that removes carbon from the atmosphere?
a)
combustion
b)
cellular respiration
c)
photosynthesis
d)
decomposition
23.
Which of the following is known as the "sedimentary" cycle because its reservoir is sedimentary rock?
a)
Sulfur cycle
b)
Nitrogen cycle
c)
Phosphorus cycle
d)
Carbon cycle
24.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle
25.
Identify the cycle pictured.
a)
The Water cycle
b)
The Carbon cycle
c)
The Nitrogen cycle
d)
The Phosphorus cycle.
26.
How do animals get nitrogen?
a)
the atmosphere 
b)
eating other organisms
c)
rainwater
d)
lightning 
27.

Which cycle are fossil fuels (oil, coal, natural gas) part of?

a)

carbon

b)

water

c)

nitrogen

d)

phosphorus

28.

Which cycle DOESN'T have an atmosphere component (part)?

a)

carbon

b)

nitrogen

c)

phosphorus

d)

water

29.

What is the process of rain, snow, or hail falling from the sky?

a)

evaporation

b)

condensation

c)

precipitation

d)

runoff

30.
Organisms that break down dead plants & animals and release nitrogen back into atmosphere...
a)
bacteria
b)
plants
c)
animals
d)
producers
31.
How do animals get nitrogen?
a)
the atmosphere 
b)
eating other organisms
c)
rainwater
d)
lightning 
32.

What are biogeochemical cycles?

a)

The movement of nutrients through chemical processes only

b)

The movement of nutrients through geological processes only

c)

The movement of nutrients through earth

d)

The movement of nutrients through geological, biological, & chemical

33.

What law best relates to energy being lost as heat within an ecosystem?

a)

Law of relativity

b)

First law of thermodynamics

c)

Law of conservation of matter

d)

Second law of thermodynamics

34.

Photosynthesis releases the__________ gas in Earth’s atmosphere.

a)

N2

b)

O2

c)

CO2

d)

HCO3-

35.

In the nitrogen cycle, the primary abiotic nitrogen source is/are

a)

plants

b)

the atmosphere

c)

soil

d)

nutrients

36.

People affect the nitrogen cycle through

a)

Fertilizer production; burning fossil fuels

b)

Planting crops; fertilizer production; burning fossil fuels

c)

Planting crops

d)

Burning fossil fuels

37.
producer
a)
an organism that can make its own food; also known as an autotroph
b)
the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.
c)
a consumer that can get its food from breaking down dead organisms; examples: bacteria and fungi
d)
a system of interlocking and interdependent food chains
38.
consumer
a)
an organism that can get their energy by eating other organisms; also known as a heterotroph
b)
the movement of water between the Earth and the atmosphere.
c)
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
d)
the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis
39.
decomposer
a)
a consumer that can get its food from breaking down dead organisms; examples: bacteria and fungi
b)
the movement of carbon from the nonliving environment into living things and back
c)
a system of interlocking and interdependent food chains
d)
the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.
40.
food chain
a)
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
b)
the cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment.
c)
an organism that can get their energy by eating other organisms; also known as a heterotroph
d)
an organism that can get their energy by breaking down other organisms; also known as a autotroph
41.
food web
a)
a system of interlocking and interdependent food chains
b)
the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis
c)
an organism that can make its own food; also known as an autotroph
d)
one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers
42.
trophic level
a)
one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers
b)
an organism that can make its own food; also known as an autotroph
c)
the cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment.
d)
the movement of water between the Earth and the atmosphere.
43.
carbon cycle
a)
the movement of carbon from the nonliving environment into living things and back
b)
one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers
c)
the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis
d)
an organism that can make its own food; also known as an autotroph
44.
hydrologic cycle
a)
the movement of water between the Earth and the atmosphere.
b)
an organism that can get their energy by eating other organisms; also known as a heterotroph
c)
one of the steps in a food chain or food pyramid; examples include producers and primary, secondary, and tertiary consumers
d)
the cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment.
45.
nitrogen cycle
a)
the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.
b)
a system of interlocking and interdependent food chains
c)
the movement of carbon from the nonliving environment into living things and back
d)
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
46.
phosphorus cycle
a)
the cyclic movement of phosphorus in different chemical forms from the environment to organisms and then back to the environment.
b)
a sequence in which energy is transferred from one organism to the next as each organism eats another organism
c)
the movement of water between the Earth and the atmosphere.
d)
the movement of carbon from the nonliving environment into living things and back
47.
oxygen cycle
a)
the cycle whereby atmospheric oxygen is converted to carbon dioxide in animal respiration and regenerated by green plants in photosynthesis
b)
a consumer that can get its food from breaking down dead organisms; examples: bacteria and fungi
c)
the process in which nitrogen circulates among the air, soil, water, plants, and animals in an ecosystem.
d)
a consumer that can get its food from breaking down dead organisms; examples: bacteria and fungi

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