Adaptations Of Flowers To Different Modes Of Pollination

Front 1

A swollen structure that serves as an attachment point for most of the other parts.

Back 1

Receptacle

Front 2

makes up the outer layer of a developing flower; are often green, although some are brightly colored

Back 2

Sepals

Front 3

often brightly colored and may serveto attract pollinators such as insects and birds.

Back 3

Petals

Front 4

Name given to all the pedals of a flower together

Back 4

Corolla

Front 5

the female reproductive part of a flower

Back 5

Pistil

Front 6

A pistol consists of

Back 6

stigma, style, and ovary

Front 7

a swollen area at the top of the pistil

Back 7

stigma

Front 8

a stalk like structure between the stigma and the bottom of the pistil

Back 8

style

Front 9

bottom of the pistil where one or more eggs will be produced

Back 9

ovary

Front 10

Male reproductive parts of the flower

Back 10

Stamens

Front 11

Stamens are usually attached near the...

Back 11

base of the pistil

Front 12

The top of the stamen is called the...

Back 12

Anther

Front 13

A thin stalk which supports each anther

Back 13

Filament

Front 14

Anthers produce ______ that in turn will produce_____ in male gametes

Back 14

Pollen grains; sperm

Front 15

occurs when pollen attaches to the stigma

Back 15

pollination

Front 16

occurs when sperm fuses with egg

Back 16

fertilization

Front 17

pollen travels to the stigma by..

Back 17

water, wind and animals

Front 18

Characteristics of plants pollinated by wind

Back 18

small and indistinct...very little or no scent... no nectar...small and numerous pollen grains... smooth pollen, some have wing like structures...less directed... allergy "culprits"

Front 19

pollen attaches to the stigma of the same plant

Back 19

self-pollination

Front 20

pollen attaches to the stigma of a different plant

Back 20

cross-pollination

Front 21

animals are attractedto flowers to receive...

Back 21

nectar

Front 22

nectar is produced by

Back 22

nectaries

Front 23

Where in a plant does pollination occur?

Back 23

stigma

Front 24

Where in a plant does fertilization occur?

Back 24

ovaries

Front 25

If pollination occurs, does this mean fertilization must occur?

Back 25

no

Front 26

If fertilization occurs, does this mean that pollination has occurred?

Back 26

yes

Front 27

Why do plants expend much energy to promote cross-pollination, when self-pollination is possible? What are the costs of self-pollination?

Back 27

You decrease diversity, produce organisms not able to survive