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Dissecting simple flowers
Label each of five cards or pieces of White paper with one of the following words: stamens, pistil, petals,sepals, receptacle. Dissect a flower carefully and place the parts gently on the appropriate cards .
Some flowers can be pulled apart quite easily but a knife or scissors may be needed for others kind of flower. When we have a sufficient number of flowers available this exercise is most Important as an individual pupil activity. Simple flowers with a single row of petals should be selected.Pick up one of the stamens and rub the anther lightly across a piece of black paper. Traces of pollen will usually be seen by you.Cut the ovary crosswise with a sharp knife gently and count the ovules or "seed pockets". Look for traces of seeds in the ovules
what is ecology
What is granite? Granite is a solid, igneous rock. It is formed by mica, quartz, feldspar and sometimes bits of other rocks as well. Granite is generally pink, white, or grey..
is there any human out of galaxy? Have any astronauts went out of galaxy?
Why do organisms need water? Organisms need water for the following reasons: (i) All cellular processes need water as a medium. Usually, the reactions that take place in our
Enzyme stabilization Reducing the chances that an enzyme will inactivate (in vivo or in vitro) by changing the environmental conditions (such as pH, temperature, concentra
Give a rock name for sample. Note that the colour of this type of rock varies greatly, depending on the abundance of organic matter and iron oxides. Samples are both carbonate rock
Interaction in the earth ecosystem: In this comparatively smaller section, we will give you the idea, that the earth as a whole is an ecosystem. Whatever you have learnt till
Define Proteins - Abnormal Constituents of Urine Proteins: Abnormal amounts of proteins are excreted in certain inflammatory diseases like glomerulonephritis (inflammation of t
compare water stills and deionizer
Unit 1 : Due this friday. 11/09 ........ 150 word.. no more than 190 word Discussion topic #1: Drawing upon two major conclusions from the author, explain why the artic
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