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Transcript
1
cell walls
-cellulose
eukaryotic
autotrophic
2
sexual &
asexual
reproduction
plants
multicellular
What plants
need to
live
3
Land
Adaptations
4
Present
5
Past
Divisions of
Plants
7
8
9
spores
10
Mosses
•Small
•Must live
11
in moist
place
Majority
of
liverworts
grow in
moist,
shady
locations
17
Liverworts
18
19
20
These plants are sometimes called scouring rushes because the epidermal
(outer) cells contain silica in their cell walls. They were used by Native
Americans & early pioneers for scrubbing and polishing.
24
26
27
28
33
34
35
36
37
Seeds can tolerate
unfavorable
conditions by
becoming
dormant. When
conditions
become favorable,
the seed sprouts
into a new plant.
38
39
40
42
44
Bean
roots
45
•Provide
structural
support
•produce
leaves,
branches, and
flowers.
•Transport
water and
minerals
between the
roots and
leaves.
STEMS
47
leaves
site of photosynthesis, which produces food for the
entire plant.
49
Waxy
covering to
prevent
water loss
Vascular
tissue
Outer
layer of
cells
50
51
•“naked seed”
•Seeds produced in cones
52
Pollen Grains
54
57 Scientist
can learn
information
about past
weather and
climate from
tree rings.
59
Cartoon Break
60
Produce their reproductive structure in flowers
61
62
“Seed Leaf”
63
Monocots vs. Dicots
64
65Flowers are unique reproductive organs that produce seeds
surrounded by a fruit.
Female
POLLINATION
Male
Pollinationtran
sfer of pollen
67
69
Carnivorous Plants
70
Seed plants have important uses for
•Food and Medicine
•Angiosperms produce flowers,
fruits, seeds, and pollen that provide
food essential to many organisms,
including humans--cereal grains,
legumes, &root crops.
•Trees provide food and shelter for
many animals, as well as providing
fuel, lumber, and paper products.
•Fibers like cotton.