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1 year ago

15

Pollination occurs when a pollen grain lands on an

2 answers:

Andrei [34K]1 year ago

5 0

Pollination occurs when a pollen grain lands on <u>a reproductively mature stigma</u>.

What is pollination?

Pollination <u>is the act of moving pollen grains from the male anther of a flower to the female </u><u>stigma</u>, or, pollination is the movement of pollen from an anther of a plant to the stigma of a plant, allowing later fertilization and the formation of seeds, most frequently by an animal or by the wind.

Pollination, <u>which is most frequently accomplished by an animal or the wind</u>, is the movement of pollen from an anther of a plant to the stigma of a plant in order to later enable fertilization and the development of seeds.

To learn more about pollination, use the link given
brainly.com/question/3431390
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Viefleur [7K]1 year ago

4 0

Answer: Pollination is the process by which pollen is transferred from the anther to the stigma.

Explanation:

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4 years ago

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3 years ago

After the end of world war ii, nations met at the _______ to create a new worldwide economic system.

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2 years ago

To compare the average amount of time that canadians and americans spend commuting, a researcher collects a sample of canadians

yKpoI14uk [10]

The standard error of the difference of sample means is 0.444

From the complete question, we have the following parameters

<u>Canadians</u>

Sample size = 50
Mean = 4.6
Standard deviation = 2.9

<u>Americans</u>

Sample size = 60
Mean = 5.2
Standard deviation = 1.3

The standard error of a sample is the quotient of the standard deviation and the square root of the sample size.

This is represented as:

$SE = \frac{\sigma}{\sqrt n}$

The standard error of the Canadian sample is:

$SE_1 = \frac{2.9}{\sqrt{50}}$

So, we have:

$SE_1 = 0.41$

The standard error of the American sample is:

$SE_2 = \frac{1.3}{\sqrt{60}}$

So, we have:

$SE_2 = 0.17$

The standard error of the difference of sample means is then calculated as:

$SE= \sqrt{SE_1^2 + SE_2^2}$

This gives

$SE= \sqrt{0.41^2 + 0.17^2}$

$SE= \sqrt{0.197}$

Take square roots

$SE= 0.444$

Hence, the standard error of the difference of sample means is 0.444

Read more about standard errors at:

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3 years ago

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MAVERICK [17]

Answer:

It means a lot to them!

Explanation:

an engagement ring to a woman is a symbol of their dedication, love, and commitment to each other. It is a symbol of the beautiful journey that two people embark upon when they decide to spend their lives together. ... Wearing the engagement ring on this finger became a symbol of the heart and the love that flowed between a married couple.

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