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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
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I need help with a few homework questions...We had a substitute, and I didn''t get the chance to finish reading the chapter.
The effect of petrol on surface tension Being sure that the plate is has to be clean. It is wise to rinse the plate in cold water for a time before filling it. Instead of soap,
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Procedure 1 . After the dissection experiment is over the dead animals are put in disposable paper bags and the bag is sealed. Animal tissues and excreta should also be put and
Slight Bleeding : Frequently, the bleeding stops of its own accord or is easily controlled by local pressure. The procedure for first aid treatment is as follows: (1) Reassure
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Explain Physiology of Ageing Ageing in simple terms refers to a physiological process that occurs in an organism as it gets older Ageing physiologically refers to the impaired
compare and contrast the hydra to one of the protozoan observed in class
how is ecology related to other discipline?
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