Chapter 29/30

Question 1

Sporollenin

Answer 1

Durable polymer that covers exposed zygotes of charophyte algae preventing them from drying out

Question 2

Sporangia

Answer 2

A organ that produces spores

Question 3

Vascular plants

Answer 3

plants with complex vascular tissue

Question 4

Vascular tissue

Answer 4

Cells joined into tubes that transport water and nutrients

Question 5

Bryophytes

Answer 5

Nonvascular plants

Question 6

Lycophytes

Answer 6

The club moss and their relatives

Question 7

Seed

Answer 7

Embryo packaged with a supply of nutrient inside a protective coat

Question 8

Gymnosperms

Answer 8

Seeds that are not enclosed in chambers

Question 9

Angiosperms

Answer 9

Seeds enclosed in chambers

Question 10

Protonema

Answer 10

Mass of green branched, one cell thick filaments.

Question 11

Rhizoids

Answer 11

Tubular cell or filament of cells that anchors bryophytes to the ground

Question 12

Gametangia

Answer 12

Multicellular structures that produce gametes and are covered by protective tissue

Question 13

Archegonia

Answer 13

Female gametangia produce the egg

Question 14

Antheridia

Answer 14

Male gametangia that produces sperm

Question 15

Brood bodies

Answer 15

Part of the main plant that can detach and develop into a genetically identical copy of the plant

Question 16

Foot of sporophyte function

Answer 16

Absorbs nutrients from gametophyte

Question 17

Seta of sporophyte

Answer 17

Stalk

Question 18

Capsule (sporangium)

Answer 18

produces spore by meiosis

Question 19

Peristome

Answer 19

Upper part of capsule featuring ring of interlocking tooth-like structures

Question 20

Xylem

Answer 20

Conducts most of the water and minerals

Question 21

Tracheids

Answer 21

Found in xylem and are tube shaped cells that carry water and minerals up from root

Question 22

Lignin

Answer 22

Strong polymer embedded in cellulose matrix of secondary cell walls of vascular plants that provides structural support

Question 23

Phloem

Answer 23

Cells arranged into tubes that distribute sugars, amino acids, and other organic products

Question 24

Microphylls

Answer 24

Small, often spine shaped leaves supported by a single strand of vascular tissue

Question 25

Megaphyll

Answer 25

Leaves with hughly branched vascular system

Question 26

Sporophylls

Answer 26

Modified leaves that bear sporangia

Question 27

Sori

Answer 27

Cluster of sporangia found in fern sporophyll

Question 28

Strobili

Answer 28

Groups of sporophylls that form a cone-like structure

Question 29

Homosporous

Answer 29

type of sporophyll that produces one type of sporangium that produces one type of spore

Question 30

Heterosporous

Answer 30

Species that have 2 types of sporophylls: megasporophyll, and microsporophyll

Question 31

Megasporophylls

Answer 31

Have megasporangia which produces megaspores which develop into females

Question 32

Microsporophylls

Answer 32

Have microsporangia which produce microspores, these are smaller spores that become males

Question 33

Integument

Answer 33

Layer of sporophyte tissue that contributes to the structure of an ovule of a seed plant

Question 34

Ovule

Answer 34

Structure that develops within ovary of a seed plant and contains female gametophyte

Question 35

Pollen grain

Answer 35

Structure consisting of the male gametophyte enclosed within a pollen wall

Question 36

Conifers

Answer 36

Gymnosperms that are cone bearing plants

Question 37

Sepal

Answer 37

Modified leaf in angiosperms that help enclose and protect flower bud before it opens

Question 38

Stamens

Answer 38

Microsporophyll which produces male gametes

Question 39

Anther

Answer 39

Site of pollen production

Question 40

Carpels

Answer 40

Megasporophyll that produce female gametes

Question 41

How do fleshy fruits form

Answer 41

When ovary walls soften during ripening

Question 42

How do dry fruit forms

Answer 42

Former ovarian wall directly attached to to seed coat

Question 43

Generative cell

Answer 43

cell of an angiosperm pollen grain that divides to produce two male gamete nuclei.

Question 44

Tube cells function

Answer 44

Produce a pollen tube

Question 45

Embryo sac

Answer 45

Female gametophyte of angiosperms formed from the growth & division of the megaspore into multicellular structure that typically has 8 haploid nuclei

Question 46

Cross-pollination

Answer 46

Transfer of pollen from an anther of a plant to a stigma of anothet

Question 47

Micropyle

Answer 47

Pore in integument of ovule

Question 48

Double fertilization

Answer 48

One fertilization event produces a zygote and the other produces a triploid cell

Question 49

Cotyledons

Answer 49

Embryonic seed leaves

Question 50

Endosperm

Answer 50

Tissue rich in starch & other food reserves that nourish embryo

Question 51

Monocots

Answer 51

Species with one cotyledon

Question 52

Eudicots

Answer 52

True dicots which have 2 cotyledon

Question 53

Sporophyte

Answer 53

Multicellular diploid phase of alternation of generation that produces spores

Question 54

Gametophyte

Answer 54

Multicellular haploid phase of aog ghat produces gametes