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Ch: 7 Roots (other roots (mycorrhizae (symbiotic relationship with fungi,…
Ch: 7 Roots
other roots
storage roots
store nutrients for later plant growth
prop roots
more vascular bundles
more stability
aerial roots of orchids
adapted to drought conditions
valamen
large dead cells
contractile roots
when firmly anchored
they contract
so stem is pulled downward
mycorrhizae
symbiotic relationship with fungi
endomycorrhizal association
ectomycorrhizal relationship
internal structure of roots
root cap
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root apical meristem
produces root tissues
quiescent center
cells are more resistant
zone of elongation
#
cells enlarge
root hair zone
#
root hairs grow
increases water absorption
increases mineral absorption
transfer of minerals
epidermis to vascular tissue
external structure of roots
organization of root systems
lateral roots
fibrous root system
structure of individual roots
root cap
protects apical meristem
mucigel
lubricates passage of root
zone of elongation
division and expansion
root hair zone
root hairs
same thing
same thing more info
same thing
