fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n)...

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Fig. 21-2, p.33 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis mitosis meiosis fertilization mitosis zygote (2n) HAPLOID DIPLOID

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Page 1: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-2, p.334

multicelledgametophyte

(n)

multicelledsporophyte

(2n)

gametes(n)

spores(n)

mitosis mitosis

meiosisfertilization

mitosis

zygote(2n)

HAPLOID

DIPLOID

Page 2: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-2, p.334

sporophyte’s importance

angiospermsgymnospermsfernsbryophytesgreen algae

zygote is onlydiploid phase

gametophyte’s importance

Page 3: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-3, p.335

seedplants

plantswithcomplexleaves

vascularplants

landplants

plants andclose relatives

charophytes

mossesliverwortshornworts

lycophytes

cycads conifersginkgosgnetophytesfloweringplants

horsetailswhisk fernsferns

Page 4: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-4, p.336

Page 5: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-5, p.336

Other germinating sporesgrow and develop intofemale gametophytes.

Spores germinate.Some grow anddevelop into malegametophytes.

Spores form byway of meiosisand are released.

Sperm reach eggsby moving throughraindrops or film ofwater on the plantsurface.

Zygote grows,develops into asporophyte while still attached togametophyte.

zygote

mature sporophyte (spore-producingstructure and stalk), still dependenton gametophyte

sperm-producingstructure at shoottip of malegametophyte

egg-producingstructure at shoottip of femalegametophyte

rhizoids

Diploid Stage

Haploid Stagefertilization meiosis

Page 6: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-6, p.337

Page 7: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-7, p.337

female gametophytes

thallus (leaflike part) close-up of gemmae

male gametophyte

Page 8: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-8, p.338

Page 9: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-9, p.339

fertilization

egg

sperm

zygote rhizome

Spores develop.egg-producingstructure

sperm-producingstructure

maturegametophyte(underside)

A sporegerminates,grows into agametophyte.

Spores arereleased.

sorus

The sporophyte(still attached tothe gametophyte)grows, develops.

Haploid Stage

Diploid Stagemeiosis

Page 10: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-10, p.339

Page 11: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-13, p.341

Page 12: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-13, p.341

Page 13: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-13, p.341

Page 14: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-13, p.341

Page 15: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-14, p.342

Page 16: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-14, p.342

Page 17: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-15, p.343

surface view of ascale of a malestrobilus (housestwo pollen sacs)

surface view of afemale cone scale(houses two ovules)

section through oneovule (the red “cut”in the diagramto the left)

ovule

section througha pollen sac(red cut)

zygote

maturesporophyte

seedling

seedcoat

embryonutritivetissue

seed formationDiploid Stage

Megasporesform; one

develops intothe female

gametophyte.

Microsporesform, develop

into pollengrains.

Germinating pollen grain (themale gametophyte). Spermnuclei form as the pollen tubegrows toward the egg.

pollen tube

sperm-producing

cell

pollination(wind depositspollen grainnear ovule)

meiosismeiosisfertilization

(view insidean ovule)

eggs

female gametophyte

Haploid Stage

Page 18: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-16, p.344

ginkgoother genera

gymnosperms

ferns

cycads

angiosperms(flowering

plants)

Page 19: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-17, p.344

ovulein anovary

stamen(microsporesform here)

carpel(megasporesform here)

sepal

petal

Page 20: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-18, p.345

Page 21: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-18, p.345

Page 22: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-18, p.345

Page 23: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-18, p.345

basal groups

Amborellawaterlilies magnoliids

staranise monocots eudicots

Page 24: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-19, p.346

Megaspore givesrise to haploid cellsin ovule. In one ofthe cells, mitosiswithout cytoplasmicdivision gives it twonuclei; it will giverise to endosperm.

cell in ovulethat will giverise to amegaspore

ovulesinsideovary

pollen sac,where eachone of manycells willgive rise tomicrospores

a floweringstem of thematuresporophyte(2n)

Microsporesform, thendevelop intopollen grains.

Pollen isreleased.

The pollen tube enters an ovule.

cell from whichendospermwill form

female gametophyteovary

egg(line of cutof diagramat left)

Diploid StageHaploid Stage

seed coatembryo (2n)endosperm (nutritive tissue)

seed

Pollination and pollentube formation:

malegametophyte

sperm (n)pollen tube

double fertilization meiosis meiosis

Page 25: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Table 21-1, p.348

Page 26: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-21, p.348

cycadsgnetophytes

flowering plants

ferns

lycophytes

hornworts

ginkgos

whisk ferns

liverworts mosses

horsetails

conifers

Page 27: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 21-22, p.349

Page 28: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-2, p.426

root tiproot cap

lateral (axillary) bud

shoot tip (terminal bud)

nodeinternode

node

vascular tissues

ground tissues

SHOOTSROOTS

primary root

lateral root

young leaf

flower

dermal tissue

leaf

seedsin fruit

witheredseed leaf(cotyledon)

stem

root hairs

Page 29: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-3ab, p.427

Page 30: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-11, p.431

Page 31: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-15, p.433

Page 32: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-9, p.429

photosynthetic cellleaf surface cuticle epidermal cell

Page 33: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-14, p.433

Photosyntheticproducts (pinkarrow) entervein, will bedistributedthrough plant.

Water,dissolvedmineral ionsfrom roots andstems moveinto leaf vein(blue arrow).

Carbon dioxide(pink arrow)in outside airdiffuses intoleaf throughstomata.

Oxygen andwater vapor(blue arrow)diffuse out ofleaf throughstomata.

leaf vein (one vascular bundle)

xylem phloem cuticle

upperepidermis

palisademesophyll

spongymesophyll

lowerepidermis

epidermalcell

stoma(small gap

across lowerepidermis)

Page 34: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-10, p.448

20 µm

chloroplast(guard cellsare the onlyepidermalcells thathave theseorganelles)

stoma

guard cellguard cell

Page 35: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 26-22, p.437

Page 36: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-4, p.444a Root nodule of a soybean plant

Page 37: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-5, p.444

Page 38: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-7, p.446

Page 39: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-8, p.447

Page 40: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 27-18, p.453

Page 41: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 28-2b, p.456

ovary

petal (all petalscombined are theflower’s corolla)

sepal (all sepalscombined areflower’s calyx)

receptacle

ovule(formswithinovary)

stamen carpel

(male reproductive part) (female reproductive part)

filament anther stigma style

Page 42: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 28-3, p.457

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Fig. 28-4, p.457

Page 44: Fig. 21-2, p.334 multicelled gametophyte (n) multicelled sporophyte (2n) gametes (n) spores (n) mitosis meiosisfertilization mitosis zygote (2n) HAPLOID

Fig. 28-5a, p.458

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Fig. 28-5b, p.458

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Fig. 28-7ac, p.461

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Fig. 28-8, p.462

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Fig. 28-19b, p.469

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Fig. 28-22, p.470

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Fig. 28-30, p.474