Plant Reproduction

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Plant Reproduction
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Flower PartsFlowers are important in making
seeds. Flowers can be made up of different parts,
but there are some parts that are basic
equipment. The main flower parts are the male
part called the stamen and the female part called
the pistil.
The stamen has two parts anthers and filaments.
The anthers carry the pollen. These are generally
yellow in color. Anthers are held up by a
thread-like part called a filament.
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The pistil has three parts stigma, style, and
ovary. The stigma is the sticky surface at the
top of the pistil it traps and holds the
pollen.The style is the tube-like structure that
holds up the stigma. The style leads down to the
ovary that contains the ovules.
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Other parts of the flower that are important are
the petals and sepals. Petals attract pollinators
and are usually the reason why we buy and enjoy
flowers. The sepals are the green petal-like
parts at the base of the flower. Sepals help
protect the developing bud
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• Flowers can have either all male parts, all
  female parts, or a combination. Flowers with all
  male or all female parts are called Imperfect (
  cucumbers, pumpkin and melons)
• Flowers that have both male and female parts are
  called perfect (roses, lilies and dandelions)

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Pollination
When pollination occurs, pollen moves from the
male parts to the female parts. Pollen grains
land on the stigma and a tiny tube grows from it,
down the style into the ovary. The fertilized
ovule becomes the seed and the ovary becomes the
fruit. The ovary first begins to grow into fruit,
then the seeds develop.
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• Since flowers can't move, they need to be able to
  attract pollinators or be built so that wind is
  able to pollinate them.
• Flowers attract pollinators like bees,
  butterflies, insects, and birds with sweet
  nectar, bright colors, and shapes and structures.
  Some flowers open at special times to attract
  pollinators such as night blooming plants that
  are pollinated by bats

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Non-flowering Plants

• Some plants don't produce flowers and seeds.
• Plants such as ferns and mosses are called
  non-flowering plants and produce spores instead
  of seeds.
• There is also another group called the Fungi,
  that include mushrooms, and these also reproduce
  by spores. We often think of these individuals as
  "non photosynthetic plants" when in fact they
  belong to their very own group or kingdom.

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Spores are tiny specks of living material.Ferns
produce spores on the undersides of their leaves.
They look like tiny brown spots. This is how
ferns reproduce.
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Asexual Reproduction

• Plants that can grow from pieces or parts of a
  plant, such as stems or leaves, is a form of
  asexual or vegetative propagation.
• This is a type of cloning as the new plant is
  exactly the same as the parent plant.
• Another kind of vegetative reproduction is
  through the growth of underground bulbs or
  tubers, which become new plants.

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What Are the Parts of a Flower? Most plants
reproduce with the help of flowers. Name each
part of the flower below
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Part 1 is the sticky part of the pistil that
pollen sticks to.

• Is it the anther, ovule, or stigma?

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Part 2 is the long outgrowth of the?ovary that
supports the stigma that collects pollen from the
stamens.Is it the pistil, style, or filament?
The stigma is the sticky part?of the pistil that
pollen sticks to.
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Part 3 the base part of the pistil that holds the
ovules.Is it the ovary, petal, or stamen?
The style is the long outgrowth of the?ovary that
supports the stigma that collects pollen from the
stamens.
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Part 4 contains the unfertilized seeds of the
plant. ?Is it the receptacle, ovules, or pistil?
The ovary is the base part?of the pistil that
holds the ovules.
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Part 5 is the female part of the flower that
contains?the stigma, style, ovary and ovules. ?Is
it the stamen, pistil, or sepal?
The ovules are the unfertilized seeds of the
plant.
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Part 6 is the part of the flower that holds the
pollen.?Is it the anther, filament, or stamen?
The pistil is made up of the?stigma, style, ovary
and ovules.
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Part 7 is the long thread-like part of the flower
that ?holds the anthers out so insects can get to
the pollen.?Is it the receptacle, filament, or
stamen?
The anther is the part of the ?flower that holds
the pollen.
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Part the male part of the flower that?is made up
of the anther and the filament. ?Is it the
receptacle, petal, or stamen?
The filament is the long thread-like part of the
flower that holds the anthers out so insects can
get to the pollen.
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Part 9 is the colorful part of the flower that
attracts insects and other pollinators. ?Is it
the receptacle, petal, or sepal?
The stamen is the male part of the flower that
?is made up of the anther and the filament.
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Part 10 is the top of the flower ?stalk that
bears the flower parts. ?Is it the receptacle or
sepal?
The petal is the colorful part of the?flower that
protects the flower and ?attracts insects and
other pollinators.
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There's only one very important part left. This
is the part that covers the outside of a flower
bud to protect the flower before it opens. Is it
the corolla, sepal or budscale?
The receptacle is the top of the flower ?stalk
that bears the flower parts.
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The sepal is the part that covers the outside of
a flower bud to protect the flower before it
opens.
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Do All Plants Use Seeds to Reproduce?

• what about a strawberry?
• Does this plant reproduce by
• seeds?
• some other way?
• both seeds and some other way?

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• A strawberry plant produces tiny seeds that are
  found in the fruit. But the plant also grows
  stems called "runners" that grow into the soil
  and form a new plant.

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• Now, what about a fern?
• Does this plant reproduce by
• seeds?
• some other way?
• both seeds and some other way?

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• A fern reproduces by way of spores--collections
  of female and male cells that are carried by the
  wind to a new location where they join together
  and form a new plant.

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• Now, what about a mushroom?
• Do mushrooms reproduce by
• seeds?
• some other way?
• both seeds and some other way?

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• A mushroom is a type of fungia group of
  saprophitic (you dont need to remember this
  name?) plants.
• These plants dont produce their own food from
  minerals, nutrients, water and sunlight using the
  process of photosynthesis, but rather must grow
  on decaying matter which provide food.
• Mushrooms reproduce by spores which grow on the
  underside of the cap.

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Now, what about carrots?

• Do carrots reproduce by seeds?
• some other way?
• both seeds and some other way?

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• Carrots reproduce by seeds.

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• Now, what about a pine tree?Does this plant
  reproduce by seeds?
• some other way?
• both seeds and some other way?

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• A pine tree is a conifer--a type of plant where
  the seeds are found in cones.