CO2
THE CARBON CYCLE
photosynthesis
A
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
Label the processes of
the carbon cycle.
CO2
THE CARBON CYCLE
•
Photosynthesis is a chemical process performed by plants
_____.
carbon dioxide from the air,
In this process they take _____________
water from the soil, and use the energy from _______
_____
sunlight
glucose and oxygen
to produce _______
______. A green pigment called
chlorophyll helps capture the sunlight needed for the reaction.
__________
CO2
•
+ H2 O +
C6H12O6 + O2
The glucose is used to store ______
energy for the plant and the oxygen
is released into the ___________.
atmosphere
photosynthesis song
THE CARBON CYCLE
photosynthesis
A
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
THE CARBON CYCLE
•
Cellular respiration is a chemical process performed by plants
_____ and
animals
glucose and oxygen
_______. In this process they use _______
______ to produce
carbon dioxide and water
energy
_____ are produced
______. Besides energy, _____________
as by-products.
C6H12O6
•
+ O2
CO2
+ H2O +
energy
The energy is used to power the plant or animal, the carbon
dioxide is toxic
____ so it is released into the atmosphere
__________ where it can
be used by plants during photosynthesis
_____________ , and the water is a
harmless product which adds to the plant or animal's own
________
water content.
THE CARBON CYCLE
photosynthesis
A
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
C assimilation
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
C
assimilation
THE CARBON CYCLE
•
Assimilation is the
transfer of carbon
through the
organisms
_________ in a
food
web
________.
THE CARBON CYCLE
photosynthesis
A
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
C assimilation
&
D death
decomposition
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
C
assimilation
THE CARBON CYCLE
•
matter which
During any organism’s lifetime, it produces waste
___________
becomes detritus
_______ (decomposing organic waste).
•
Likewise, when an organism dies, its remains
_______ begin to
decompose and this becomes detritus
_______ as well.
•
The detritus can now take two paths:
1) Decomposers can completely decompose
nutrients which can be
the detritus into ________
assimilated by plants.
__________
or
2) The detritus does not completely
decompose, but instead undergoes
fuels
another process that produces fossil
_________.
decomposing
rabbit
THE CARBON CYCLE
photosynthesis
A
C
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
C assimilation
&
D death
decomposition
assimilation
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
E fossilization
C
assimilation
THE CARBON CYCLE
•
Fossilization involves _______
ancient plants which have been ______
buried
for hundreds of _______
millions of years to produce fossil fuels.
forests of trees,
1) Giant ______
ferns and other plants
died in swamps
_______ 300400 million years ago.
2) The decomposition was ____
slow due to the swamp's
____.
_________
anaerobic (low oxygen) conditions which created peat
sediment
3) If the peat was covered in ________
and subjected to intense heat
____ and
coal
________,
pressure it eventually formed ____.
THE CARBON CYCLE
•
Fossilization involves _______
ancient plants which have been ______
buried
for hundreds of _______
millions of years.
animals died in
_____ and _______
1) Ancient plants
oceans 300-400 million years ago.
the ______
2) Over time, their remains were
covered in layers of sediment
________.
3) The enormous weight of the sediment
produced heat
____ and pressure
_______ , which
eventually turned the remains into
oil and __________
natural gas which remains
___
under the ground or ocean floor
unless it is extracted
________.
THE CARBON CYCLE
combustion F
photosynthesis
A
C
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
C assimilation
&
D death
decomposition
C
assimilation
assimilation
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
E fossilization
F
combustion
THE CARBON CYCLE
•
•
Combustion involves the burning
_______ of a fuel source that contains
____________.
hydrocarbons
In the carbon cycle, the majority of human generated
trees
combustion comes from the burning of _____
Forest Fires
Slashing and Burning
Forests to Create Farmland
THE CARBON CYCLE
•
•
Combustion involves the burning
_______ of a fuel source that contains
____________.
hydrocarbons
In the carbon cycle, the majority of human generated
fuels .
trees and fossil
combustion comes from the burning of _____
_________
Car Exhaust
Coal Fired Plant
Running Appliances
THE CARBON CYCLE
•
•
Combustion involves the burning
_______ of a fuel source that contains
____________.
hydrocarbons
In the carbon cycle, the majority of human generated
fuels .
trees and fossil
combustion comes from the burning of _____
_________
carbon dioxide into the ___________
atmosphere , which
This releases _____________
contributes to the greenhouse
__________ effect.
THE CARBON CYCLE
combustion F
G
deforestation photosynthesis
A
C
Label the processes of
the carbon cycle.
CO2
B B
cellular
respiration
C assimilation
&
D death
decomposition
C
assimilation
assimilation
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
E fossilization
F
combustion
THE CARBON CYCLE
•
Deforestation involves the
cutting down of forests
______.
This results in an indirect
dioxide
increase in carbon
____________
because there are less trees
to perform _____________
photosynthesis
which removes
_______ carbon dioxide
from the atmosphere.
Illegal Logging in Burma
Clear Cutting
adds CO2
removes CO2 or keeps
carbon from becoming CO2.
THE CARBON CYCLE
combustion F
G
photosynthesis
deforestation
A
C
CO2
B B
cellular
respiration
C assimilation
&
D death
decomposition
C
assimilation
assimilation
1)
2)
3)
4)
petroleum/oil
coal
natural gas
peat
E fossilization
F
combustion