Bio 2, Chapter 29 Short Answer And Mc

Front 1

Sporopollenin

Back 1

Polymer in walls of plant spores that makes them tough and resistant to harsh conditions

Front 2

Sporangia

Back 2

Multicellular, spore producing organs on sporophyte

Front 3

Gametophyte

Back 3

Multicellular haploid

Front 4

Sporophyte

Back 4

Multicellular diploid

Front 5

Archegonia

Back 5

Female, produces single egg regained within archegonia

Front 6

Antheridia

Back 6

Male, produces many sperm that are released into the enviornmet

Front 7

Thallus

Back 7

Flat vegetative body lacking vascular tissue

Front 8

Seta

Back 8

stalk supporting the capsule of a moss or liverwort, and supplying it with nutrients. The seta is part of the sporophyte and has a short foot embedded in the gametophyte on which it is parasitic.

Front 9

Homosporous

Back 9

sporganium --> single type of spore -->bisexual

-->eggs/sperm

Front 10

Heterosporous

Back 10

megasporangium-->megaspore-->female gametophyte--> eggs

microsporangium-->microspore-->male gametophyte--> sperm

Front 11

Microphylls

Back 11

Leaves with single strand of vascular tissue

Front 12

Megaphylls

Back 12

Large leaves with branched vascular tissue

Front 13

Sporophylls

Back 13

is a leaf that bears sporangia.

Front 14

Strobili

Back 14

cone like structure formed by clusters of sporphylls

Front 15

Sori

Back 15

Clusters of spirangia located on the underside of sporophyllls

Front 16

Prothallas

Back 16

gametophyte stage of a fern

Heart shaped thing

Front 17

Characteristics of plants

Back 17

alteration of generations

multicellular dependent embryos

spores with protective walls

multicellular gameotangia

apical meristem

Front 18

Derived traits of land plants

Back 18

- alteration of generations

- multicellular

- dependent embryos

- spores with protective walls

- multicellular gametongia

(Organs that produce gametes)

- apical meristem

Front 19

Alteration of generation process

Back 19

1. Gametophyte produce haploid gametes by mitosis

2. Two gametes unite to form diploid zygote

3. Zygote develops into multicellular sporophyte

4. Sporophyte produces unicellular haploid spore by meiosis

5. Spores develop into multicellular haploid gametophyte

Front 20

Gametangia

Back 20

Multicellular organs that produce gametes

Front 21

Vascular tossue

Back 21

Tubes made of cells that transport water and nutrients throughout the plant

Front 22

Types of vascular tissue

Back 22

Xylem

Phloem

Front 23

Xylem

Back 23

Water transport

Front 24

Phloem

Back 24

Nutrient transport

Front 25

Adaptations for terrestrial life

Back 25

Vascular tissue

Cuticle

Stomata

Front 26

Characteristics of seedless nonvascular plants

Back 26

Gametophyte generation dominant

No true leaves, stems, or roots

Rhizoids: tubular or filamentous cells that anchor the thallus

Thallus

Flagellated spermwort

Front 27

Phylum hepatophya

Back 27

Liverworts

Name refers to the liver shaped gametophyte

Gametophyte dominate

No true leaves, roots or steams

- rhizoids

Two forms

- leafy

- thalloid

Front 28

Phylum bryophyta

Back 28

Mosses

Gametophyte dominant

No true leave, roots, or stems

- lack vascular tissue

Traits similar to more derived plants

- stomata

- cuticle

Front 29

Phylum anthecerophyta

Back 29

Hornworts

Gametophyte dominant

No true leave, roots, or stems

- lack vascular tissue

Traits similar to more derived plants

- stomata

- critical

Sporophyte lack seta

Symbiotic relationship with Cyanobacteria

Front 30

Characteristics of seedless, vascular plants

Back 30

Diverged 450 mya

Sporophytes generation dominant

Formation of vascular tissue

- xylem

- phloem

Ligin: polymer that strengthens the cell walls of water conducting cells

True leaves, roots and stems

- have vascular tissue

Sperm with flagella

Front 31

Phylum lycophyta

Back 31

Club mosses spike mosses and quill warts

Sporophyte generation dominant

True leaves

- Microphylls

- Sporophylls

True stems and roots

Vascular tissue

Homospores and Heterosporous

Front 32

Phylum pteropyta

Back 32

Ferns

Maegaphylls

Homesporous

Sori

True leaves, roots, and stems

- branching roots

Front 33

Hepatophya reproduction

Back 33

Sexual

- sporophyte develops on female gametophytes

Asexual

- gemmae cups

Front 34

Brophyte life cycle

Back 34

Sexual reproduction

- protorema: one cell thick filaments grown from germinated moss spore

- mature gametophyte grows from protorema

Sporophyte dependent on female gametophyte

- foot

- seta

- capsule

- peristome

Asexual reproduction

- brood bodies

Front 35

Types of sporangia

Back 35

Homosporous spore production

Heterosporous spore production

Microsporangium on microsprophyll

Front 36

Homosporous spore production

some seedless vascular plants

Back 36

sporangium on sporophyll

to

single type of spore

to

typically bisexual gametophyte

to

eggs and sperm

Front 37

Heterosporous spore production

Back 37

megasporangium on megasporophyll

to

megaspore

to

female gametophyte

to

egg

Front 38

Microsporangium on microsprophyll

Back 38

microsporangium on megasporophyll

to

microspore

to

male gametophyte

to

sperm

Front 39

Male and female gametangia

Back 39

archegonia= female

antheridia= male

Front 40

types of sporangia

Back 40

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