Chapter 28: Green Algae And Land Plants

Front 1

Nonvascular plants

Back 1

A paraphyletic group of land plants that lack vascular tissue and reproduce using spores(lack seeds)

Hint 1

Moss

Front 2

Vascular tissue

Back 2

Specialized group of cells that conduct water,nutrients, and sugars from one part of the body to another

Hint 2

For seed plants only

Front 3

Spores

Back 3

Single haploid cell produced in meiosis(is able to grow into a multicellular,haploid organism through mitotic division)

Front 4

Seed

Back 4

Consists of an embryo and a store of nutritive tissue surrounded by a tough protective layer

Front 5

Angiosperm

Back 5

A flowering vascular plant the produces with seeds within mature ovaries(fruits)

Front 6

Gymnosperm

Back 6

A vascular plant that makes seeds but does not produce flowers

Hint 6

Ferns

Front 7

Cuticle

Back 7

Watertight barrier that coats plants and helps them resist drying

Front 8

Sporopollenin

Back 8

Waxy substance that encases spores and pollen of modern land plants

Front 9

Sporangium

Back 9

A spore producing structure found found in seed plants, some protists, and some fungi

Front 10

Stoma

Back 10

Microscopic pore on the surface of a leaf through which gas is exchanged

Front 11

Guard cell

Back 11

One or two specialized crescent shaped cells forming the boarder of the plant stoma. Guard cells can change shape to open or close the stoma

Front 12

Lignin

Back 12

A complex polymer built from six carbon rings and found in the secondary cell walls of some plants; it is exceptionally stiff and strong

Front 13

Tracheids

Back 13

In vascular plants, a long, thin, water conducting cell where it's lignin-containing secondary cell wall is absent, allowing water movement between adjacent cells

Front 14

Secondary cell wall

Back 14

Thickened inner layer of a cell wall formed by certain plant cells as they mature and after growing; contains lignin in water conducting cells

Front 15

Primary cell wall

Back 15

Outermost layer of a plant cell wall, made of cellulose fibers and gelatinous polysaccharides, that defines the shape of the cell and withstands the turgor pressure of the plasma membrane

Front 16

Vessel elements

Back 16

In vascular plants, a short, wise ,water conducting cell that has gaps through both the primary and secondary cell walls, allowing unopened passage of water between adjacent cells

Front 17

Wood

Back 17

Xylem resulting from secondary growth; forms strong supporting material

Front 18

Gametangiam

Back 18

The gamete forming structure found in all land plants except angiosperms. Contains sperm producing antheridium and an egg producing archegonium to protect them from drying and physical damage

Front 19

Antheridium

Back 19

Sperm producing gametangium

Front 20

Archegonium

Back 20

Egg producing gametangium

Front 21

Embryophytes

Back 21

A plant that nourishes it's embryo inside its own body, all land plants are embryophytes

Front 22

Alternation of generations

Back 22

Individuals exist as either a multicellular haploid phase or a a multicellular diploid phase

Front 23

Gametophyte

Back 23

Multicellular haploid stage

Front 24

Sporophyte

Back 24

Multicellular diploid stage

Front 25

Hetereospory

Back 25

Production of two distinct types of spores by different structures

Front 26

Homospory

Back 26

The production of a single type of spore