Section 8-5The Parts of the Flower

Focus On:Parts of a flower (male & female)Pollination, Fertilization, Germination.Comparing Angiosperms to Gymnosperms

Section 8-4: Gymnosperms & Angiosperms

V. Gymnosperms: The Naked Seed

A. There are FOUR phyla of Gymnosperms:

Phyla: Example:

1) _____________ _________________

2) _____________ _________________

3) _____________ _________________

4) _____________ _________________

ConifersCycadsGinkgoesGnetophytes

RedwoodPalm TreesMaiden HairsTropical Vines

Section 9-3: Gymnosperms & Angiosperms

B.The largest group of gymnosperms are the

________________.The word conifer actually means:

______________________.

VI. Angiosperms: The Coated SeedA. Angiosperms: _____________________ _______________________________Angiosperms can be found all over the

world, even where it is cold.

Conifers

Cone-bearer

Make up the largestgroup of plants–they vary greatly.

Section 9-3: Gymnosperms & Angiosperms

B.Angiosperms are the flower producers. Flowers are: ________________________ ___________________________________

_________________________________C.The general structures and their functions

in flowers:1) sepals:

__________________________

_________________________________2) petals: _________________________

_________________________________

The structures that havethe reproductive organs in angio-sperms.

Support and protect the base of the flower.

Used to attract organisms for pollination. Also can protect.

Petals

Sepals

Parts of a Flower

Section 8-5: The Parts of a Flower

THE MALE FLOWER PARTS:

1) stamen: _________________________ ________________________________2) anther: _________________________ ________________________________3) filament: ________________________ ________________________________4) pollen: __________________________

The entire male part of

Knob-like structure where

Supports the anther.

Male sex cell of plants.

pollen is stored and made.

the flower.

Section 8-5: The Parts of a Flower

THE MALE FLOWER PARTPollenAnther

FilamentStamen

Section 8-5: The Parts of a Flower

THE FEMALE FLOWER PARTS:

1) pistil: ___________________________ ________________________________2) stigma: _________________________ ________________________________3) style: ___________________________ ________________________________4) ovule: __________________________5) ovary:__________________________

Female sex cell of plants.

Sticky opening on the pistil top where the pollen enters.

The entire female part ofthe flower.

Tube on the pistil where thePollen travels to get to the egg.

Contains the ovule.

Section 8-5: The Parts of a Flower

THE FEMALE FLOWER PARTStigma

Style

OvaryOvule/Egg

Pistil

Section 8-5: The Parts of a Flower

D. A flowering plant is pollinated when ___________________________________ ___________________________________Label the flower diagrams in your notes.

E. Fruits of Flowering Plants.1) The fruit is:

________________________________________________________2) The seed of the flower is located

_____________________________________________________________________

A grain of pollen lands on the stigma of the pistil.

The ripened ovary thatHolds, protects, & feeds the seed.

In the center of the ovary (fruit) This seed is the fertilized egg.

Reviewing this Section:

$ What are the two parts to a flower?

$ What is the function of the sepal?

$ How do flowering plants reproduce?

$ What is the process that is happening here.

$ Give an example of an angiosperm.

Pollination

Thank you for a

GREAT year!