Chapter 38

Question 1

a flowering plant is a __________________

Answer 1

diploid sporophyte

Question 2

-the female sporangium is located within the flower’s _______

Answer 2

ovary

Question 3

a single sporocyte within the sporangium undergoes meiosis to produce _________________ spores

Answer 3

4 haploid

Question 4

three of four spores ______________________ having just one functional spore

Answer 4

degenerate

Question 5

in an embryo sac the spore undergoes mitosis ______ times to grow into an - female gametocyte

Answer 5

3 times

8 celled female gametophyte

Question 6

-two center cells 0f a embryo sac are _________________

Answer 6

central cells

Question 7

three cells at one end are called _________

Answer 7

antipodes

Question 8

two of three cells at the other end are called _____________

Answer 8

synergid

Question 9

third cell of the other end is the ______________

Answer 9

egg

Question 10

angiosperm, female gametophytes do not contain _______________

Answer 10

archegonia

Question 11

the 8 celled female gametophyte is called an _______________

Answer 11

embryo sac

Question 12

the embryo sac developed within the _____________________ which is surrounded by the integument

Answer 12

female sporangium

Question 13

the entire embryo sac, female sporangium, and integument is an ______________ located in the flower’s _______________

Answer 13

ovule

ovary

Question 14

male sporangio are located within a flower’s _____________

Answer 14

anthers

Question 15

male sporocytes within the sporangia undergo _____________ to produce ____________________. all remain viable

Answer 15

meiosis

haploid spores

Question 16

male angiosperm spores undergo ________ just once producing ____________________________

Answer 16

mitosis

male gametophytes with only two cells

Question 17

male gametophyte cells (2)

Answer 17

• one tube cell

- one generative cell

Question 18

these two celled male gametophytes are ______________

Answer 18

pollen grains

Question 19

during pollination the tube cell elongates to form a ___________________

Answer 19

polen tube

Question 20

the pollen tube extends to the ovule in the ovary where it passes through the integument and sporangium to contact _______________

Answer 20

the embryo sac

Question 21

_________________ undergoes mitosis to produce two sperm cells

Answer 21

the generative cell

Question 22

the sperm cells reach the embryo sac after being sent down ________________

Answer 22

pollen tube

Question 23

one sperm cell fertilizes the egg, producing ________________

Answer 23

diploid zygote

Question 24

the second sperm cell fertilizes the nuclei of ______________________

Answer 24

both central cells

Question 25

the fertizaton of both central cells results in ______________

Answer 25

a triploid cell called endosperm

Question 26

fertilization why two sperm cells is called _________________ and is unique to angiosperms

Answer 26

double fertilization

Question 27

following double fertilization the ___________ becomes a ____________

Answer 27

ovule to seed

Question 28

the zygote grows by ____________ producing an embryonic sporophyte

Answer 28

mitosis

Question 29

the endosperm also grows by __________________

Answer 29

mitosis

Question 30

a seed coat __________________ surrounds and sportects the embryo and endosperm

Answer 30

integument

Question 31

endosperm serves as a source of _________________________________

Answer 31

nutrition for develop for the developing embryo

Question 32

in monocots the embryo ____________________________

Answer 32

directly consumes the endosperm

Question 33

in edicts the embryos two cotyledons __________

Answer 33

consume the endosperm. The embryo then consumes the cotyledons

Question 34

a bean is an example of _____________

Answer 34

eudicot

Question 35

a been consists of two halves each half is a

Answer 35

cotyledon the cotyledons provide nutrients to developing embryo

Question 36

the embryo consists of to regions

Answer 36

epicotyl | radicle

Question 37

epicotyl

Answer 37

embryonic shoot

Question 38

radicle

Answer 38

embryonic root

Question 39

corn is an example of ________________

Answer 39

monocot

Question 40

monocots like corn have _____________,

Answer 40

one cotyledon | the endosperm rather than cotyledon provide nutrients

Question 41

the following fertilization, the ovary developed into a ___________

Answer 41

fruit

Question 42

the fruit surrounds the ____________ | fruit functions for _____________

Answer 42

seed | seed dispersal

Question 43

fruits are classified as __________ or __________

Answer 43

fleshy or dry

Question 44

the embryo ultimately breaks out of the seed and grows into an adult __________________ during _________ process

Answer 44

sporophyte | germination

Question 45

during germination the _________ always emerges first

Answer 45

radical

Question 46

plant asexual reproduction (2 types)

Answer 46

- vegatative reproduction | - apomixis

Question 47

vegetative production (3 types)

Answer 47

- stolans - thizomes - fragentation

Question 48

horizontal aboveground stems

Answer 48

stolons

Question 49

horizontal below ground

Answer 49

rhizomes

Question 50

connection of asexual plants

Answer 50

rhizome

Question 51

plantlets and gemmae in gemma cups

Answer 51

fragmentation

Question 52

asexual production of seeds

Answer 52

apomixis