Download Unit III: Vascular Plants

Unit III: Vascular Plants
Chapter 17 – 20
Chapter 17: Seedless vascular plants
Lack seeds
Seed:
I. Organization
Root system:
Shoot system:
Stem:
Leaves
Microphyll:
Megaphyll:
Vein:
Vascular system:
Three tissue systems
Dermal:
Vascular:
Ground:
II. Growth
Primary growth
Primary tissue:
Primary plant body:
Secondary growth
Vascular cambium:
Cork cambium:
Periderm
Secondary plant body
III. Vascular tissue
Tracheary elements
Tracheid:
Vessel elements:
Sieve elements:
IV. Vascular cylinder
dicot
monocot
V. Reproduction
Oogamous:
1
Alternation of heteromorphic generations
Homosporous:
Heterosporous
Microspore:
Microsporophyll:
Megaspore:
Megasporophyll:
Strobilus:
VI. Living Phyla
Lycopodiophyta
Sporophyte:
protostele:
stele:
homosporous with sporophyll
sporophyll:
strobili:
Figure 17-15 family Lycopodiaceae
Figure 17-18 family Selaginella
Heterosporous with unisexual gametophyte
Pteridophyta
Epiphyte:
Figure 17-23
Ferns classified as
Eusporangiate
Leptosporangiate
a single parent cell
Homosporous bisexual speciesb (fiddle head fern)
Leptosporangiate
Fronds:
Pinnae:
Rachis:
Cirinate vernation:
Sori:
Indusia:
fern prothallus
2
Figure 17-30 Polypodium
Homosporous bisexual species (wisk ferns)
Eusporangiate
Figure 17 - 34 Psilotium
Equisetum
Carinal canals
Homosporous
Sporangiophore:
Elaters
Figure 17 - 40 Equisetum
Chapter 18 – Gymnosperm
Development of the seed
1.
Nucellus:
2.
3.
4.
5.
6.
7.
Seed plants:
Modern seed
Pollen grain:
Determinate growth:
Indeterminate growth:
3
Fertilization:
Embryonic development:
Coniferophyta:
Staminate cones
Ovulate cones
Pine: Pinus
Leaves
Seedling
Fascicles
hypodermis
resin ducts
Figure 18-13
stem:
periderm
vascular cambium
secondary zylem
pith
Figure 18-17
Staminate cone – Microsporangia
Know all the structures and their ploidy
from lecture – Thursday, May 24
Ovulate cone - Megasporangia
Know all the structures and their ploidy
from lecture – Thursday, May 24
Pine seed:
Seedcoat:
Zygote:
Gametophyte:
Cycadophyta
Common name
Only native cycad
Ginkophyta
Fertilization:
Deciduous:
One living species:
4
Chapter 19 – Angiosperm
Include any drawings given during lecture
Flower
Determinate shoot containing sporophylls
Angiosperm:
Carpel:
Ovule:
Inflorescences:
Peduncle:
Pedicel:
Arrangement of inflorescence
Panicle:
Spike:
Raceme:
Corymb:
Simple umbel:
Compound umbel
Head:
Catkin:
Parts
Sepal (calyx)
Petal (corolla)
Receptacle:
Stamens:
Filament:
Anther:
Carpel:
Ovary:
Style:
Stigma:
Locules:
Placentation:
Figure 19-9
Perianth:
Perfect flower:
Imperfect flower:
Complete:
Incomplete:
Monoecious:
Dioecious:
5
Regular
Irregular:
Position of the ovary
Superior
Hypogynous:
Inferior:
Epigynous:
Perigynous:
Figure 19 -11
Angiosperm life cycle
Gametophyte much reduced
Microgametophyte
Macrogametophyte
Male
Microsprogenesis:
microsporangia
Microgametogenesis:
Anther
Four sporogenous cells
Tapetum:
Microsporocytes:
Pollen grain structure
Exine:
Intine:
Immature microgametophyte:
Mature microgametophyte:
Pollen grain:
Pollen tube:
Tube nucleus:
Two sperm cells:
6
Female
Adventages of the carpel:
Megasporogenesis:
Megagametogenesis:
Ovule
Funiculus:
Nucellus:
Integuments:
Placenta:
Megagametophyte
Chalazal:
Antipotal cells:
Polar cells:
Egg:
Synergids:
Double fertilization
Pollination:
Germination:
Development
Ovule develops into
Ovary develops into
Seed:
Primary endosperm nuclei:
Zygote:
Integuments:
Ovary wall:
7
LAB PREP.
Microphyll:
Megaphyll:
Vein:
Homosporous:
Heterosporous:
Microsporophyll:
Microsporangia:
Microspore:
Megasporophyll:
Megasporangia:
Megaspore:
Ligule:
Strobilus:
Cross section
Epidermis:
Stoma:
Protostele:
Xylem:
Phloem:
Indusium
Frond:
Sori:
Rachis:
Pinnate:
Bipinnate:
Tripinnate:
Annulus:
Prothallus:
Cortex:
Elator:
Conifers
pollen grain:
pollen tube:
Tube cell:
Generative cell:
Cotyledon:
Stoma:
Ovule:
8
Micropyle:
Integument:
Tracheid:
Cycads
Ginko
Needle cross section:
Transfusion tissue:
Wood section:
Tracheid:
Pit
Angiosperm
Pedicel:
Peduncle:
Inflorescence:
Petal:
Sepal:
Tepal:
Filament:
Anther:
Stamen:
Ovary:
Ovule:
Pistal:
Stigma:
Carpel:
Locule:
Placentation:
Parietal
Axial
Free central
Basal
Dehiscence:
Perfect:
Imperfect:
Complete:
Incomplete:
Tapetum:
Corolla:
Calyx:
9
Ovary position
Superior:
Inferior:
Perigynous:
Monocot:
Dicot:
10