Chapter 29 & 30

Question 1

the spore is retained in the ___ and develops into the ___. so the ___ develops inside the ___.

Answer 1

sporophyte
gametophyte
gametophyte
sporophyte

Question 2

single celled and very tough

Answer 2

spores

Question 3

an embryo with a food supply and a protective coat

Answer 3

seed

Question 4

• produce megaspores
• megaspores develop into the female gametophyte that contains the egg
• it is a solid structure called the nucellus

Answer 4

Megasporangia

Question 5

• produce microspores

- microspores develop into male gametophytes (pollen grains) that contain sperm

Answer 5

Microsporangia

Question 6

___ are sporophyte tissues

-the seed coat is derived from these

Answer 6

integuments

Question 7

the combination of integuments, nucellus (megasporangium), and megaspore

Answer 7

ovule

Question 8

once a pollen grain lands on an ___, it extends a ___ ___ into the ___ ___ fertilizing it

Answer 8

ovule
pollen tube
egg nucleus

Question 9

seed plants are divided into two groups…

Answer 9

gymnosperms

angiosperms

Question 10

___ means naked seeds

Answer 10

gymnosperm

Question 11

phylum cycadophyta

• the ___
• have their naked seeks on special leaves (cones)
• ___ plants

Answer 11

cyads

woody

Question 12

phylum Ginkgophyta

• the ___
• only one living species Ginkgo biloba
• many species during the time of the dinosaurs
• has ___, ___ seeds
• ___ male and female trees

Answer 12

ginkgos
fleshy, fruit-like
separate

Question 13

phylum coniferophyta

• the ___
• ___ bearing plants
• the largest phylum of ___
• many species have needle-shaped leaves with thick ___ and stomata in pits that make them ___ resistant
• they are ___ plants with ___ cells

Answer 13

conifers
cone
gymnosperms 
cuticles
drought
woody, lignified

Question 14

conifers include the ___, an odd order of plants that were originally placed in their own phylum

Answer 14

Gnetales

Question 15

means seed born in a vessel

• the flowering plants
• > 250,000 species

Answer 15

angiosperm

Question 16

• all flowering plants
• all flowering plants were divided into two classes: monocots and dicots, now there are more
• the 2 major classes are monocots and eudicots

Answer 16

anthophyta

Question 17

___ include grasses, sedges, lilies, irises, palms, orchids, and others. flower parts in threes or multiples of three

Answer 17

monocots

Question 18

___ contains most of the old dicot, this includes roses, beans, oaks, maples, asters, buttercups, and many more. Flower parts in fours or fives or multiples of four or five

Answer 18

eudicots

Question 19

the new classes of the phylum anthophyta (3)

Answer 19

water lilies
magnoliids and relatives
star anise and relatives

Question 20

___ ___ is the most “primitive” living flowering plant and belongs in a class by itself

Answer 20

amborella trichopoda

Question 21

xylem cells in angiosperms and gymnosperms that provide support and transport water

Answer 21

tracheids

Question 22

xylem cells in most angiosperms

-A. trichopoda does not have these

Answer 22

vessel elements

Question 23

the ___ is the reproductive structure of flowering plants

Answer 23

flower

Question 24

___ flowers are pollinated by animals

___ flowers are wind pollinated

Answer 24

showy

plain

Question 25

are located at the bottom of the flower

-usually green, sometimes brightly colored

Answer 25

speals

Question 26

located above the speals, often brightly colored

Answer 26

petals

Question 27

___ is the male reproductive organ, it has two parts… (2)

Answer 27

stamen

filament and anther

Question 28

___: a stalk
___: a terminal sac that produces pollen

Answer 28

filament

anther

Question 29

• made up of one or more fused carpels

- the female reproductive organ

Answer 29

pistil

Question 30

what are the 3 parts of the pistil

Answer 30

stigma
style
ovary

Question 31

• terminal portion of the pistil

- sticky to receive pollen

Answer 31

stigma

Question 32

tube shaped structure part of the pistil that connects to the stigma and the ovary

Answer 32

style

Question 33

part of the pistil that contains the ovules that develop into seeds

Answer 33

ovary

Question 34

flowering plants produce ___ which are mature ovaries. They help protect the seeds.

Answer 34

fruits

Question 35

many fruits are fleshy and have ___ such as ___, these fruits attract animals and the animals distribute the seed in the fruits

Answer 35

nutrients

sugars

Question 36

fruit derived from one ovary

• the most common fruit
• may be fleshy or dry
• many variations

Answer 36

simple fruit

Question 37

develop from a single flower with many carpels

-blackberry, strawberry

Answer 37

aggregate fruit

Question 38

develop from an inflorescence (multiple flowers)

-pineapple, fig

Answer 38

multiple fruit

Question 39

angiosperms and some Gnetales have ___ ___

Answer 39

double fertilization

Question 40

the pollen grain contains 2 sperm nuclei, one fertilizes the egg forming the diploid zygote, the other fuses with 2 nuclei in the ___ ___ forming ___ ___

Answer 40

embryo sac

triploid nucleus

Question 41

the triploid nucleus forms into the ___, the food supply of the seed

Answer 41

endosperm