A diagram of a food web is shown below.Which organism receives the least amount of energy from the producers?
A.
Hawk
B.
Rabbit
C.
Grasshopper
D.
Mouse
2.
Which of the following statements is true about natural systems?
A.
Consumers form the bottom levels of both the energy pyramid and the biomass pyramid.
B.
Producers are at the bottom level of both the energy pyramid and the biomass pyramid.
C.
Producers are at the bottom of the energy pyramid, but at the top of the biomass pyramid.
D.
Producers are at the top of the energy pyramid and at the bottom of the biomass pyramid.
3.
Look at the blank Energy Pyramid. Which Trophic Level is where we would find the Tertiary Consumers?
A.
The bottom level
B.
The second from the bottom level
C.
The top level
D.
The second from the top level
4.
A secondary consumer will gain energy from what level consumer?
A.
Primary
B.
Secondary
C.
Tertiary
D.
Quarternary
5.
A rabbit eats the grass, the snake eats the rabbit and the hawk eats the snake. Who has the most energy in this food chain?
A.
The rabbit
B.
The snake
C.
The hawk
D.
The grass
6.
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
7.
In an ecosystem, living things can change to nonliving parts of the ecosystem and nonliving things can be used by living things. Which is an example of a living part of an ecosystem moving to the nonliving part of the ecosystem?
A.
Plants absorb gases
B.
Plants being decomposed
C.
Animals eat plants
D.
Animals drink water
8.
The energy organisms need to live and grow first enters the ecosystem when ???
A.
plants take in light energy from the Sun.
B.
decomposers break down dead organisms.
C.
primary consumers eat plants for food.
D.
secondary consumers eat primary consumers.
9.
A food web diagram is provided. Based on the diagram, which is a correct example of a pathway that energy could follow as it cycles through this ecosystem?
A.
marsh grass > cricket > frog
B.
cattail > frog > snake
C.
marsh grass > grasshopper > shrew
D.
cattail > shrew > snake
10.
A diagram is provided. Identify an energy path with FOUR levels starting with a producer.
Show the complex relationships of energy flow in an ecosystem
A.
food web
B.
herbivore
C.
decomposer
D.
heat
12.
Break down plant and animal remains and waste into molecules that producers reuse to make energy
A.
decomposer
B.
garbage dispoer
C.
producer
D.
food web
13.
As energy flows up the pyramid, some energy is transformed into this
A.
water
B.
poop
C.
food
D.
heat
14.
An energy pyramid is a model of a food chain, which represents ____________________________ levels.
A.
complex
B.
different
C.
tropic
D.
energy
15.
An ____________ __________ models the amount of energy available at each trophic level in a food chain.
A.
energy pyramid
B.
food web
C.
producer
D.
decomposr
16.
A food web consists of?
A.
Many types of insects that are stuck.
B.
Amount of energy that moves from one feeding level to another.
C.
A series of events in which one organism eats another and obtains energy.
D.
Many overlapping food chains in an ecosystem.
17.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy from the previous level.
A.
True
B.
False
18.
What do the arrows in a food chain and food web represent?
A.
The flow of matter
B.
The flow of energy
C.
The flow of energy and matter
D.
The flow of atoms
19.
What gas do leaves absorb during the day?
A.
Helium
B.
Carbon dioxide
C.
Nitrogen
D.
Hydrogen
20.
Matter and energy are transferred through an ecosystem by consumers and producers
A.
True
B.
False
21.
Which is recycled between organisms in a food web/ecosystem
A.
Matter and Energy
B.
Energy
C.
matter
D.
Sunlight
22.
Which is moves in a one-way manner between organisms in a food web/ecosystem
A.
Matter
B.
Energy
C.
Matter & Energy
D.
Atoms
23.
Energy enters an ecosystem and leaves an ecosystem
A.
True
B.
False
24.
Matter enters an ecosystem and leaves an ecosystem
A.
True
B.
False
25.
Energy enters an ecosystem and gets recycled over-and-over
A.
True
B.
False
26.
Matter enters an ecosystem and gets recycled over-and-over between the organisms
A.
True
B.
False
27.
Nitrogen gas is turned into a form plants and animals can use by bacteria by a process called
A.
Recycling of matter
B.
Recycling of energy
C.
One way flow of matter
D.
One way flow of energy
28.
Nitrogen is put into the soil by ________for plants to use.
A.
Producers
B.
Carnivores
C.
Herbivores
D.
Decomposers
E.
All choices
29.
Which process takes Carbon Dioxide from the air and converts it into a form of carbon used by living things?
A.
Precipitation
B.
Photosynthesis
C.
Respiration
D.
Bioremdiation
30.
Which substance must be chemically transformed before it can be used by plants in the soil?
A.
Respiration
B.
Photosynthesis
C.
Dead Organisms
D.
Oxygen
E.
carbon dioxide
31.
Carbon is moved around like the diagram. What does this show?
A.
How matter is recycled in an ecosystem
B.
How energy is recycled in an ecosystem
C.
How matter moves in a one way manner in an ecosystem
D.
How energy moves in a one way manner in an ecosystem
32.
Nitrogen in the atmosphere is not available. Free nitrogen has to be changed into a usable form in a process called nitrogen fixation so plants can use it. This is part of...
A.
Flow of matter in a one way manner
B.
Flow of energy in a one way manner
C.
Flow of matter in a never ending recycled manner
D.
Flow of energy in a never ending recycled manner
33.
What role do animals play in the carbon cycle?
A.
absorb carbon dioxide from the atmosphere
B.
give off carbon dioxide through respiration
C.
combustion
D.
decomposing matter
34.
Organisms that play a role in the flow of matter through the carbon and nitrogen cycle
A.
only plants
B.
only animals
C.
only bacteria
D.
plants, animals, & bacteria
35.
In the carbon cycle, producers take in the gas __
A.
carbon dioxide
B.
oxygen
C.
nitrogen
D.
carbon monoxide
36.
An organism that lives by breaking apart dead organic matter into simpler parts is...
A.
scavenger
B.
consumer
C.
decomposer
D.
carnivore
37.
How do animals get carbon?
A.
they eat plants or other animals
B.
they breathe it into their lungs
C.
they can break down nitrogen gas from the atmosphere
D.
they don't need carbon
38.
Which of the following ways carbon enters the atmosphere?
A.
decomposition where carbon dioxide is released
B.
photosynthesis where carbon dioxide is released
C.
cellular respiration (breathing) out carbon dioxide
39.
Which process converts carbon in the form of sugar into carbon dioxide gas?
A.
Bioremediation
B.
Photosynthesis
C.
Respiration (breathing)
D.
Transpiration
40.
How do animals and other consumers get carbon?
A.
Food chain: they eat plants or animals with carbon
