DK - WOW! The Visual Encyclopedia of Everything

(Elle) #1
Stem is kept upright
at first by water pressure,
but is gradually stiffened
with tough cellulose

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from buds that form New leaves sprout
at the tips of shoots

Cotyledons contain
food that fuels early
growth, but fall off
after true leaves form

Growing point of bean
plant is at top of main
stem, between leaf stalks

Soil provides the plant
with anchorage, and
is the main source of
water and nutrients

Leaves make sugar,
which mixes with water
to make sap that flows
to other parts of plant

Green chlorophyll in
leaves absorbs solar
energy and uses it
for photosynthesis

Root network anchors
plant in the soil as well
as absorbing water
and nutrients

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5

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010_011_Plants.indd 11 03/01/19 12:09 PM

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