Thursday 5 February 2009

Science lesson


Science

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On Wednesday in the science lesson we learnt how to arrange different parts of a lily. Also to annotate what part of the lily it is and what the function is.




The different parts of a flower is: The male part of a flower is a Stamen.


There are 3 parts of a stamen. The pollen is inside the anther(pollen is bright orange), which fertilizes the egg(ovum).


The filament holds the anther up.



The carpel is the female part of the flower.



This is a example of a carpel. There are 4 parts of a carpel.



The first part of the carpel is the stigma. The pollen sticks to the stigma.



Then the following part is the style. The style holds the stigma up and the pollen travels down the style.The 3rd part is the ovary which is where the ovule fertilizes. The fourth part of the carpel is the sepal, which holds up the petals before it opens.



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