function
agriculture
alive
autotroph
baby plant
beginning
carbon dioxide
center
chlorophyll
circle
concept
drawn
ecology
energy
environmental
food
fresh
gardening
green
ground
grow
land
life
light
light dependent
nature
nobody
oxygen
photosynthesis
process
protect
ray
reaction
seedling
soil
source
spring
sprout
stage
store
studio
sun
sunlight
sustainability
sustainable
symbol
top view
trigger
white
young