Sci. Ch. 7 Test

Front 1

reproduce

Back 1

Plants can _____ both sexually and asexually.

Front 2

asexual

Back 2

In _______ reproduction a new plant can be grown from a leaf, stem, or root.

Front 3

sexual

Back 3

In _______ reproduction a sperm cell fertilizes an egg cell to form a zygote.

Front 4

reproductive

Back 4

Some plants have both male and female _______ organs; these plants can reproduce by themselves or with sex cells from other plants of the same type.

Front 5

separate

Back 5

Some plant species have male and female organs on ______ plants.

Front 6

two

Back 6

Plants have a ___- stage life cycle.

Front 7

gametophyte

Back 7

The ________ begins when sex cells produce haploid cells called spores.

Front 8

sporophyte

Back 8

The ________ begins with fertilization.

Front 9

seeds

Back 9

Seedless plants do not produce ______.

Front 10

spores

Back 10

The ____ of seedless plants grow into plants that produce sex cells.

Front 11

seedless

Back 11

All nonvascular and some vascular plants are _____.

Front 12

moss

Back 12

_____ plants have a life cycle that illustrates typical sexual reproduction in nonvascular seedless plants.

Front 13

sex cells

Back 13

The gametophyte stage produces _____.

Front 14

spores

Back 14

The sporophyte stage produces ____.

Front 15

released

Back 15

When spores are _____ and land in an appropriate environment, they can grow into new gametophyte plants.

Front 16

asexually

Back 16

Nonvascular plants can also reproduce _____ if piece of gametophyte stage plant breaks off and settles in an appropriate environment.

Front 17

ferns

Back 17

Most vascular seedless plants are ____.

Front 18

fronds

Back 18

Fern sporophyte plants have leaves called _____.

Front 19

rhizome

Back 19

Which grows from an underground stem called _____.

Front 20

spores

Back 20

Fern _____ are produced in sori, which are usually on the underside of fronds.

Front 21

prothallus

Back 21

A fern spore that lands in a favorable environment grows into a gametophyte plant called a _______.

Front 22

sex cells

Back 22

_______ form in the prothallus.

Front 23

zygote

Back 23

When fertilization occurs, the _____ starts the sporophyte stage.

Front 24

asexually

Back 24

Ferns may reproduce ______ when rhizomes form new branches and are separated from the main plant.

Front 25

seeds

Back 25

Pollen and _____ help many plants reproduce.

Front 26

grain

Back 26

A pollen _____ has a covering and contains male gametophyte parts that can produce sperm.

Front 27

pollination

Back 27

______ occurs when pollen grains are transferred to the female part of the plant.

Front 28

seed

Back 28

Following fertilization, the female part produces a ____ which contains an embryo, stored, and a protective coat.

Front 29

embryo; food

Back 29

Plants can develop more quickly from a seed than from a spore because a seed contains a(n) ____ and stored ____.

Front 30

gymnosperm

Back 30

_______ develop seeds in cones.

Front 31

cones

Back 31

A pine tree or shrub is a sporophyte plant that produces male and female ____.

Front 32

ovules

Back 32

A female cone has two ____ which produces eggs.

Front 33

male

Back 33

____ cones produce and release pollen.

Front 34

female

Back 34

When pollen blows into a ____ cone, fertilization and seed formation can occur.

Front 35

seed release by a female cone can take two or three years.

Back 35

extra

Front 36

angiosperms

Back 36

______ produce flowers which are used for sexual reproduction.

Front 37

stamen

Back 37

The ____ is the male reproductive organ.

Front 38

pistil

Back 38

The ____, the female reproductive organ, contains the ovary at its base.

Front 39

appearance

Back 39

The _______ of a plant's flowers can give clues about how the plant is pollinated.

Front 40

fertilization

Back 40

After pollination and ______, a zygote forms and grows into the plant embryo.

Front 41

ovule

Back 41

Parts of the _____ develop in to the seed coat and store food for the embryo.

Front 42

cotyledonx

Back 42

Some seeds store food in ______.

Front 43

endosperm

Back 43

Other seeds store food in _____ tissue.

Front 44

carried

Back 44

Seeds are _____ by wind, gravity, animals, and water.

Front 45

germination

Back 45

________ occurs when the seed coat swells and breaks open and a plant grows from the seed.

Front 46

Environment conditions affect germination.

Back 46

extra

Front 47

False

Back 47

All flowers are large and brightly colored

Front 48

True

Back 48

Some flowers have no smell

Front 49

False

Back 49

Asexual reproduction of a plant produces many different-looking forms of that plant

Front 50

True

Back 50

Female cones may stay on a gymnosperm plant for more than one year

Front 51

pollen tube

Back 51

grows from a pollen grain to an ovule

Front 52

pistil

Back 52

female reproductive organ of a flower

Front 53

filament

Back 53

the stalk part of a stamen

Front 54

endosperm

Back 54

tissue in wheat seed where food is stored

Front 55

anther

Back 55

where pollen grains form

Front 56

flower

Back 56

contains the reproductive organ of an angiosperm

Front 57

pollen grains

Back 57

has a water-resistant covering and gametophyte parts that can produce sperm

Front 58

sepals

Back 58

small, green, leaf-like parts that cover flower buds

Front 59

pollination

Back 59

transfer of pollen grains from stamen to ovules

Front 60

stamen

Back 60

male reproductive organ of a flower

Front 61

seed coat

Back 61

protects embryo

Front 62

ovules

Back 62

where the eggs of gymnosperms and angiosperms are produces

Front 63

style

Back 63

the part of the pistil between the ovary and the stigma

Front 64

stigma

Back 64

sticky; where pollination takes place

Front 65

ovary

Back 65

swollen base of pistil where ovules form

Front 66

rhizomes

Back 66

Fern fronds grow from an underground stems called ______.

Front 67

cotyledon

Back 67

A(n) ______ is a structure within a seed that stores food for plants like beans and peanuts.

Front 68

gymnosperms

Back 68

vascular plants that do not flower, generally have needle-like or scale-like leaves, and produce seeds that are not protected by fruit.

Front 69

angiosperms

Back 69

flowering vascular plants that produce fruits containing one or more seeds.

Front 70

moss

Back 70

rhizoid; rhizome; spores; sporophyte; gametophyte

Front 71

fern

Back 71

prothallus; rhizome; rond; sori; spores; sporophyte; gametophyte

Front 72

to attract animals/birds/insects

Back 72

Why are flowers often brightly colored with attractive scents?

Front 73

sight/smell

Back 73

To what two senses do flowers appeal in order to attract insects, birds, and animals?

Front 74

They help the plant develop more like itself

Back 74

Why are spores so important to seedless plants?