4-1 Photosynthesis

photosynthesis
the process by which a cell captures energy in sunlight and uses it to make food
Nearly all living things..
Nearly all living things..
obtain energy either directly or indirectly from the energy of sunlight captured during photosynthesis
autotroph
autotroph
an organism that can make its own food
heterotroph
heterotroph
obtain food by eating other organisms
stage 1 of photosynthesis
stage 1 of photosynthesis
chloroplasts in plant cells capture energy from sunlight
stage 2 of photosynthesis
stage 2 of photosynthesis
captured light energy is used to produce sugars and oxygen from water and carbon dioxide
pigments
colored chemical compounds that absorb light
chlorophylll
main photosynthetic pigment in chloroplasts
stomata
located on the underside of leaves where carbon dioxide enters and oxygen exits
photosynthesis equation
a chemical equation that describes the photosynthesis process