chapter 3

Question 1

the reproductive part of a flowering seed plant

Answer 1

flowers

Question 2

holds the developing seeds; end of the pedicel

Answer 2

receptacle

Question 3

enlarged end of a special stem

Answer 3

pedicel

Question 4

protect the petals

Answer 4

sepals

Question 5

most conspicuous part of the flower

Answer 5

petal

Question 6

organs that produce the pollen

Answer 6

stamens

Question 7

contains the sperm cells

Answer 7

pollen

Question 8

male reproductive cell

Answer 8

sperm cell

Question 9

long part of stamen

Answer 9

filament

Question 10

top portion of the stamen

Answer 10

anther

Question 11

central portion of a flower

Answer 11

pistil

Question 12

base of a pistil

Answer 12

ovary

Question 13

undeveloped seeds

Answer 13

ovules

Question 14

female reproductive cells

Answer 14

egg cell

Question 15

connect ovary to pistil

Answer 15

style

Question 16

tip of pistil

Answer 16

stigma

Question 17

contains sepal, petals, stamen, and pistil

Answer 17

complete flower

Question 18

doesnt have sepal, petals, stamen, or pistil

Answer 18

incomplete flower

Question 19

plant with both staminate and pistillate

Answer 19

monoecious

Question 20

has both staminate and pistillate, but each flower is born by different trees

Answer 20

dioecious

Question 21

many flowers on one stem

Answer 21

inflorescences

Question 22

the 3 factors affecting flowering

Answer 22

1. length of day and night
2. temperature
3. soil fertility

Question 23

can be evenly divided

Answer 23

symmetry

Question 24

can be divided in multiple ways

Answer 24

radial

Question 25

must be divided vertically

Answer 25

bilateral

Question 26

fully ripened ovary

Answer 26

fruit

Question 27

what functions as the seed bearing structures of flowering plants?

Answer 27

fruit

Question 28

transfer of pollen from anther of a stamen to the stigma

Answer 28

pollination

Question 29

pollination that occurs within the same flower

Answer 29

self pollination

Question 30

pollination that the stamen and stigma come from different flowers

Answer 30

cross pollination

Question 31

sweet-tasting watery substance produced by plants

Answer 31

nectar

Question 32

allergic reaction to pollen

Answer 32

hay fever

Question 33

chemical messenger that triggers symptoms to pollen as a reaction

Answer 33

histamines

Question 34

most important type of pollen that triggers hay fever

Answer 34

ragweed

Question 35

when the sperm and egg cell fuse together

Answer 35

fertilization

Question 36

reproductive cells

Answer 36

gametes

Question 37

reproduction in which the sperm and egg cells fuse

Answer 37

sexual reproduction

Question 38

forms from pollination by the pollen grain

Answer 38

pollen tube

Question 39

nutritional tissue that forms around the fertilized egg

Answer 39

endosperm

Question 40

forms when the sperm unites with the egg (young plant)

Answer 40

embryo

Question 41

2 sperm cells are required for reproduction

Answer 41

double fertilization

Question 42

process of the ovary becoming a fruit and growing

Answer 42

ripening

Question 43

form from 1 flower that has only 1 pistil

Answer 43

simple fruits

Question 44

form from 1 flower that has several pistils

Answer 44

aggregate fruits

Question 45

fruit that forms from several flowers

Answer 45

multiple fruits

Question 46

simple fruits that are fleshy and juicy throughout

Answer 46

berries

Question 47

fleshy outer layer and woody inner layer

Answer 47

drupes

Question 48

fleshy outer layer and inner papery core

Answer 48

pomes

Question 49

multiple seeds enclosed in a pod

Answer 49

legumes

Question 50

small, dry seeds with wing-like structures attached

Answer 50

samaras

Question 51

small, dry seeds with a hard outer covering

Answer 51

nuts

Question 52

seeds with a thin shell

Answer 52

achenes

Question 54

fruit of a grass plant

Answer 54

grain

Question 55

simple fleshy fruits

Answer 55

berries, drupes, pomes

Question 56

simple dry fruits

Answer 56

legumes, samaras, nuts, achenes, grains

Question 57

aggregate fruits

Answer 57

blackberries, raspberries, strawberry

Question 58

multiple fruits

Answer 58

pineapple

Question 59

outside covering of wheat

Answer 59

husk

Question 60

cover under the husk

Answer 60

bran

Question 61

mostly starch

Answer 61

endosperm

Question 62

small plant

Answer 62

germ

Question 63

from the whole wheat seed and fruit dispersal

Answer 63

enriched flour

Question 64

need to be scattered

Answer 64

seed

Question 65

primary function is to scatter seeds

Answer 65

fruit

Question 66

able to sprout or grow

Answer 66

viable

Question 67

dispersal done by seeds being carried or picked up

Answer 67

agent dispersal

Question 68

dispersal when plant disperses seeds

Answer 68

mechanical dispersal

Question 69

baby plant or unborn plant

Answer 69

embryo

Question 70

becomes shoot system

Answer 70

plumule

Question 71

becomes root system

Answer 71

radicle

Question 72

food for embryo

Answer 72

endosperm

Question 73

coat of protection for embryo

Answer 73

seed coat

Question 74

sprouting of seed

Answer 74

germination

Question 75

period of inactivity

Answer 75

dormancy

Question 76

most food stored in the cotyledons is in the form of?

Answer 76

starch

Question 77

where did george washington carver work?

Answer 77

tuskegee institute

Question 78

what two things did george washington carver make more valuable?

Answer 78

sweet potato and peanut