Chapter 30 The evolution of Seeded Plants

Question 1

what are reduced gametophytes

Answer 1

Gametophytes are microscopic and not easy to see from the naked eye

Question 2

what is Integument tissue

Answer 2

protective covering for the ovule

Question 3

How many integument(s) do Gymnosperm have?

Answer 3

one

Question 4

How many integument(s) do angiosperms have?

Answer 4

two

Question 5

what is an Ovule

Answer 5

structure that develops the ovary of a seed pant and contains female gametophytes

Question 6

How many eggs develop from a megaspore?

Answer 6

one or more

Question 7

pollen grain

Answer 7

male gametophyte enclosed within the pollen wall

Question 8

What is the purpose of sporopolleninfor pollen grains?

Answer 8

protects the pollen grain as it is transported by wind or animals

Question 9

what is pollination

Answer 9

transfer of pollen to the ovules

Question 10

Are seeds multicellular or unicellular?

Answer 10

multicellular as they contain embryos and a layer of tissue

Question 11

What kind of seeds do gymnosperm have?

Answer 11

naked seeds exposed that form cones

Question 12

What kind of seeds do angiosperms have?

Answer 12

Enclosed seeds protected by fruits

Question 13

Largest gymnosperm phylum

Answer 13

Conifer

Question 14

In pine species, how many years does it take for the male and female gametophyte to produce a fertilized ovule?

Answer 14

3 years

Question 15

Which 4 plant phyla are gymnosperms?

Answer 15

• cycadophyla
• Ginkgophyta
  -Gnetophyta
  -coniferophyta

Question 16

What phyla are all angiosperms apart of?

Answer 16

Anthophyta

Question 17

what is a Flower

Answer 17

specialized shoot with 4 sets of modified leaves breaking structures that function in sexual reporduction

Question 18

How are angiosperms pollinated?

Answer 18

Insects and wind

Question 19

Parts of a flower

Answer 19

sepals, petals, stamens and carpels

Question 20

sepals

Answer 20

modified leaf that hemps enclose and protect a flower bud before it opnes

Question 21

Petals

Answer 21

colorful parts on a flower that attract pollinators

Question 22

Stamen

Answer 22

pollen procuring organ that consists of an anther and filament

Question 23

Anther

Answer 23

where the pollen grains containing sperm are produced

Question 24

Filament

Answer 24

stalk that holds the anther

Question 25

Carpels

Answer 25

ovule producing reproductive organ of a flower, consisting of stigma, style, and ovary

Question 26

Stigma

Answer 26

stick tip of the carpel that receives the pollen grain

Question 27

Style

Answer 27

stalk of the carpel

Question 28

ovary

Answer 28

where the egg containing ovules develop

Question 29

Pistil

Answer 29

word for a single carpel

Question 30

radial symmetry of a flower

Answer 30

any line through the central axis divides the flower into two equal parts

Question 31

Bilateral symmetry of a flower

Answer 31

the flower can only be divided into two equal part through a single line

Question 32

Fruit

Answer 32

mature ovary of a flower that has seeds inside

Question 33

Plant adaptations to disperse seeds

Answer 33

-explosive action -wings that carry seed by wind- -edible seeds that are dispersed through feces - barbs that attach to animals

Question 34

embryo sac

Answer 34

female gametophyte of angiosperms that is formed by the growth and division of megaspores

Question 35

cross-pollination

Answer 35

transfer of pollen from anther of a flower on one plant to stigma of flower on another plant of the same species

Question 36

Ways flowers pollinate

Answer 36

self-pollinate or cross-pollination

Question 37

micropyle

Answer 37

pore in the integuments of an ovule that discharges two sperm cells to the embryo sac

Question 38

double fertilization

Answer 38

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

Question 39

cotyledons

Answer 39

sead leaf of an angiosperm embryo

Question 40

endosperm

Answer 40

tissue rich in starch that provides food for the developing embryo

Question 41

monocots

Answer 41

flowering plants that have one embryonic seed leaf (cotyledon)

Question 42

dicot

Answer 42

flowering plant that have tow embryonic seed leaves

Question 43

eudicots

Answer 43

clade dicots formed from