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Flower Anatomy
Leah Sandall, Presenter
Author
10/11/2018
Added
405
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Description
This video helps you learn the basic parts of a flower. This information is useful in knowing how to make a successful cross.
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[00:00:03.080]
It's important to understand the parts of a flower
[00:00:05.600]
when talking about how seeds are made
[00:00:08.250]
during sexual reproduction.
[00:00:09.730]
So let's use this flower as an example,
[00:00:13.000]
as we go over the different flower structures,
[00:00:15.450]
and learn to be able to tell the difference
[00:00:17.450]
between the male and the female structures of the flower.
[00:00:22.560]
So we're gonna start by identifying
[00:00:24.540]
kinda the outside structures here.
[00:00:25.890]
So you see the petals.
[00:00:27.740]
And then after we remove the petals
[00:00:29.370]
from this example flower,
[00:00:31.570]
then we're gonna show the sepals,
[00:00:33.150]
and the sepals are gonna be more of just a protective layer
[00:00:35.780]
that protects the flower.
[00:00:39.690]
Now, keep in mind that not all flowers
[00:00:41.220]
are going to look exactly like this.
[00:00:43.210]
But when sexual reproduction happens with a flower,
[00:00:47.400]
these are gonna be the main parts,
[00:00:49.550]
that we're gonna talk about next,
[00:00:50.780]
that are gonna be important in that sexual reproduction.
[00:00:53.830]
So the first aspect that we want to talk about
[00:00:56.510]
is the stamen, which makes up the male
[00:00:58.980]
reproductive structures of a flower,
[00:01:01.650]
and the stamen is gonna be made up of the anther
[00:01:04.210]
and the filament.
[00:01:05.570]
And the anther is going to contain the pollen.
[00:01:12.140]
The female reproductive structure is called the pistil,
[00:01:15.120]
and the pistil is gonna be made up of the stigma,
[00:01:17.530]
the style, and the ovary.
[00:01:19.780]
And the stigma is gonna be the location
[00:01:21.750]
where the pollen will land
[00:01:23.780]
in order for fertilization to happen.
[00:01:28.830]
If we take a little bit of a closer look into the ovary,
[00:01:31.390]
we'll see that the ovary is also made up of ovules,
[00:01:33.963]
and the ovules are another way of saying the eggs.
[00:01:42.210]
So now that you've had a chance
[00:01:43.250]
to see the different structures of a flower,
[00:01:45.740]
why don't you use the animation to be able
[00:01:47.660]
to test your knowledge on the different structures?
The screen size you are trying to search captions on is too small!
You can always
jump over to MediaHub
and check it out there.
Tags:
Sudden Death Syndrome
genetic engineering
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