Warm-Up
Answer the following questions in complete sentences.
An energy pyramid is shown to the right.
What is the term to describe the levels of
the pyramid?
The term that describes the levels of the pyramid is…
If a non-native species begins to compete
with a native species for a limited food
source, how will the population of the
native species change?
That population of the native species will...
An energy pyramid is shown to the right.
What is the term to describe the levels of
the pyramid?
1.
2.
3.
4.
various decomposers
four elements
trophic levels
abiotic factors
If a non-native species begins to compete
with a native species for a limited food
source, how will the population of the
native species change?
1.
2.
3.
4.
It would increase.
It would decrease.
It would remain the same.
It would spread out.
UNIT
The Carbon Cycle
3
CO2
Glucose
The Carbon Cycle
• All organic molecules contain
carbon (C).
UNIT
3
UNIT
The Carbon Cycle
3
• All organic molecules contain
carbon (C).
• Carbon is in the air in carbon
dioxide (CO2).
O
C
O
UNIT
The Carbon Cycle
• All organic molecules contain
carbon (C).
• Carbon is in the air in carbon
dioxide (CO2).
• CO2 becomes glucose
(C6H12O6) during
photosynthesis.
3
The Atmosphere
CO2
CO2
CO2
“photosynthesis”
Glucose
C6H12O6
UNIT
The Carbon Cycle
• All organic molecules contain
carbon (C).
• Carbon is in the air in carbon
dioxide (CO2).
• CO2 becomes glucose
(C6H12O6) during
photosynthesis.
• Glucose is consumed, burned
for energy, and released back
as CO2 during cellular
respiration.
3
The Atmosphere
CO2
CO2
CO2
CO2
CO2 “cellular
respiration”
*burp*
“photosynthesis”
Glucose
C6H12O6
yummy!
UNIT
The Carbon Cycle
• Glucose is consumed, burned
for energy, and released back
as CO2 during cellular
respiration.
• Decomposers consume dead
things and return the CO2 to
the atmosphere.
3
The Atmosphere
CO2
CO2
CO2
CO2
The Carbon Cycle
• Glucose is consumed, burned
for energy, and released back
as CO2 during cellular
respiration.
• Decomposers consume dead
things and return the CO2 to
the atmosphere.
• If more dead things are in the
ground than decomposers, the
carbon becomes fossil fuels.
UNIT
3
UNIT
The Carbon Cycle
• Glucose is consumed, burned
for energy, and released back
as CO2 during cellular
respiration.
• Decomposers consume dead
things and return the CO2 to
the atmosphere.
• If more dead things are in the
ground than decomposers, the
carbon becomes fossil fuels.
• Carbon can also absorb into
the ocean.
3
The Atmosphere
CO2
CO2
CO2
CO2
CO2
Carbon Cycle Passport Activity
Closure
Answer the following question in a
complete sentence:
Name/Nombre
Date/Fecha
Period ____
How could the CO2 that a cow breathes out in
China become part of your body?
Suggested sentence stem:
The CO2 from a cow in China could become
part of my body by…