1. KINGDOM
PLANTAE

5. Major Characteristics:
Multicellular, photosynthetic
Eukaryotic w/ cell wall
W/ aboveground,
photosynthesizing part &
undergound, absorbing part
Exhibits alternation of
generation

6. How Plants Are Classified?
Presence of vascular tissues
XYLEM- conducts water
PHLOEM- conducts food
Whether they produce seeds
or not
SEEDLESS/ SPORE-BEARING
SEED-BEARING

7. PLANT CLASSIFICATION BRYOPHYTES nonvascular seedless plants
lack true roots, stems,
and leaves
grow in moist, shady places
include moss, liverwort,
hornwort

9. Importance of Bryophytes:
Producers of food and O2
Help make soil by breaking
down rocks
Help prevent erosion and
flooding

10. PLANT CLASSIFICATION TRACHEOPHYTES vascular plants
w/ true roots, stems,
and leaves
found in various habitat
some are seedless, some
have seeds

11. Seedless, vascular plants
Include ferns, horsetails,
and club mosses
W/ dominant sporophyte
generation
Reproduce by spore
formation

12. Fern trees

13. Clubmosses

14. Psilotum sp.- whiskfern

15. Seed-bearing, vascular plants
Most abundant & widespread
Most diverse in form &
structure
Can be:
1. GYMNOSPERMS
2. ANGIOSPERMS

16. GYMNOSPERMS Seeds are not enclosed in fruits (“naked seeds”)
Usually large, tall trees
Include cycads, ginkgoes,
and conifers

18. Giant Sequioa tree

19. Ponderosa pine
Douglas fir tree

20. Dwarf cycad
Thai silver

21. ANGIOSPERMS flowering plants most diverse & abundant
comprise about 250,000
species
found all over the Earth
can be MONOCOT or
DICOT

24. MONOCOTYLEDONAE

28. DICOTYLEDONAE