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Photosynthesis
! P
  rocess by which autotrophs
make their own food using the
energy in light, CO2, and H2O.
!  6CO2 + 6H2O à 6O2 + C6H12O6
Light
Energy
Photosynthesis
!  Needs Sunlight
!  In Autotrophs
!  Uses Energy
!  In Chloroplasts
!  Reactants:
!  Water (H2O)
!  Carbon Dioxide
(CO2)
!  Products:
!  Glucose & Sugar
(C6H12O6)
Respiration
!  Process that involves oxygen and
breaks down food molecules to
release energy.
!  C6H12O6 + 6O2 à 6H2O +6CO2 + Energy
Respiration
!  Does Not Need
Sunlight
!  In Heterotrophs
!  Produces Energy
!  In Mitochondria
!  Reactants:
!  Glucose
(C6H12O6)
!  Oxygen (O2)
!  Products:
!  Water (H2O)
!  Carbon Dioxide
(CO2)
Chloroplast
! T
  he organelle inside plant
cells that contain
chlorophyll & help the
plant undergo
photosynthesis.
Chlorophyll
! T
  he main pigment in the
cells of photosynthetic
autotrophs that capture
light energy.
!  Located in the chloroplasts.
Stomata
! G
  aps on the
underside of leaves
where CO2 enters the
plant and O2 leaves.
Glucose
! S
  ugar that is a product of
photosynthesis that can
be broken down into
energy
!  C6H12O6