Please enable JavaScript.
Coggle requires JavaScript to display documents.
Evolution of Vascular Tissue Lab - Coggle Diagram
Evolution of Vascular Tissue Lab
vascular to nonvascular tissue
emergence
true
vascular tissue
in
land plants
major
impacts
evolution
1 more item...
facilitated
development
of
plants
increase
1 more item...
ability to
1 more item...
three
essential
functions
1
delivery
1 more item...
2
mechanical support
3
communication
1 more item...
land plants
degree
modification
transport cells
increases
from
non-vascular plants
to
1 more item...
Hydroids
progression
water-conducting
parenchyma cells
water conductiing cells
specialized hydroids
similar to
tracheids
lack
lignin
secondary wall thickening
helices
thin walled
true tracheids
vessel elements
three
major differences
between
hydroids of bryophytes
tracheids and vessels
tracheophytes
differences
hydroids
lack
secondary wall
patterns
collapse
during
water
1 more item...
are
highly
resistant
1 more item...
bryophyte
lignin-like
polymers
not
1 more item...
more likely
1 more item...
Leptoids
for
food-conducting
cells
parenchyma
specialize
into
leptoids
associated with
3 more items...
similar
to
phloem
sieve cells
identical
to
protophloem
cells
certain
tracheophytes
comprise
the
leptome
common
elongate
shape
slightly
oblique
end walls
nucleus
degenerates
at
maturity
Mosses
has
no
true
vascular tissue
evolutionary
precursor
hyrdroids
form
central strand
in
gametophyte
stem
sporophyte
seta
cells
undergo
structural modifications
to
cell wall
3 more items...
dead
at
maturity
leptoids
stereids
elongate
thick-walled
slender
fiberlike
add
support
to
stem
arranged
in
cylinder
around
hydrome
collectively
known as
sterome
