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Raindrop. Moss Life Cycle. Sperm. “Bud”. Antheridia. Male gametophyte ( n ). Key. Haploid ( n ). Protonemata ( n ). Diploid (2 n ). “Bud”. Egg. Gametophore. Spores. Archegonia. Female gametophyte ( n ). Spore dispersal. Rhizoid. Peristome. FERTILIZATION. Sporangium.

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Presentation Transcript
slide1

Raindrop

Moss Life Cycle

Sperm

“Bud”

Antheridia

Male

gametophyte

(n)

Key

Haploid (n)

Protonemata

(n)

Diploid (2n)

“Bud”

Egg

Gametophore

Spores

Archegonia

Female

gametophyte (n)

Spore

dispersal

Rhizoid

Peristome

FERTILIZATION

Sporangium

(within archegonium)

MEIOSIS

Seta

Zygote

(2n)

Capsule

(sporangium)

Mature

sporophytes

Foot

Embryo

Archegonium

Young

sporophyte

(2n)

2 mm

Female

gametophytes

Capsule with

peristome (SEM)

slide2

Fern Life Cycle

Key

Haploid (n)

Diploid (2n)

Antheridium

Spore

(n)

Young

gametophyte

Spore

dispersal

MEIOSIS

Sporangium

Mature

gametophyte

(n)

Sperm

Archegonium

Egg

Mature

sporophyte

(2n)

New

sporophyte

Sporangium

Zygote

(2n)

FERTILIZATION

Sorus

Gametophyte

Fiddlehead

slide3

Pine Life Cycle

Key

Haploid (n)

Ovule

Diploid (2n)

Ovulatecone

Megasporocyte (2n)

Integument

Pollencone

Microsporocytes(2n)

Megasporangium(2n)

Maturesporophyte(2n)

Pollengrain

Pollengrains (n)

MEIOSIS

MEIOSIS

Microsporangia

Microsporangium (2n)

Survivingmegaspore (n)

Seedling

Archegonium

Femalegametophyte

Seeds

Foodreserves(n)

Spermnucleus (n)

Seed coat(2n)

Pollentube

Embryo(2n)

FERTILIZATION

Egg nucleus (n)

slide4

Fig. 35-2

Reproductive shoot (flower)

Apical bud

Node

Internode

Apical

bud

Shoot

system

Vegetative

shoot

Blade

Leaf

Petiole

Axillary

bud

Stem

Taproot

Lateral

branch

roots

Root

system

slide5

Fig. 30-7

Stigma

Carpel

Stamen

Anther

Style

Filament

Ovary

Petal

Sepal

Ovule

slide6

Fig. 30-10-4

Key

Haploid (n)

Diploid (2n)

Microsporangium

Anther

Microsporocytes (2n)

Mature flower onsporophyte plant(2n)

MEIOSIS

Generative cell

Microspore(n)

Ovule (2n)

Tube cell

Male gametophyte(in pollen grain)(n)

Ovary

Pollengrains

MEIOSIS

Germinatingseed

Stigma

Megasporangium(2n)

Pollentube

Embryo (2n)Endosperm (3n)Seed coat (2n)

Sperm

Seed

Megaspore(n)

Style

Antipodal cellsCentral cellSynergidsEgg (n)

Female gametophyte(embryo sac)

Pollentube

Sperm(n)

Nucleus ofdevelopingendosperm(3n)

FERTILIZATION

Zygote (2n)

Eggnucleus (n)

Discharged sperm nuclei (n)