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Pollintaion question

Posted by greenwood85 (My Page) on
Sat, Oct 25, 08 at 10:54

I am a teacher and pollination is in our curriculum but there's is something I don't understand that I can't find in our Science book. Why is it that some plants don't seem to need to be pollinated in order to produce fruit, such as bush beans?


Follow-Up Postings:

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RE: Pollintaion question

sorry for the typo in the title. I'm running a fever and not thinking straight


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RE: Pollintaion question

Bush beans still require pollination, it's just that they don't need insects to accomplish the job. The transfer of sperm cell (pollen) to egg still has to occur.

How old are your students and how much time do you intend to spend on pollination?


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RE: Pollintaion question

They are in third grade and we will spend very little time on pollination, I'm just introducing the topic but I was unsure about that aspect. So the answer is that all flowering plants need to be pollinated, but some are easier to pollinate than others?


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RE: Pollintaion question

Wikipedia has a tolerable article on the topic (odd errors here and there, inevitably)

Resin

Here is a link that might be useful: http://en.wikipedia.org/wiki/Pollination


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RE: Pollintaion question

Some plants produce seed w/o pollenation--- essentially identical to the parent plant. I think Citrus commonly comes true to seed for this reason.

Here is a link that might be useful: apomictic seed in citrus


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RE: Pollintaion question

For your third grade students I would keep it simple and pick one flower and explain the process, acknowledging there are variations of the basic among the millions of plants. You could easily tell them more than they are capable of assimilating. Al


 
 

 

 


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