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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
Which are clouds formed at the highest altitude: cirrocumulus
the characteristics of the core
How do minerals become rocks and rocks become soil? Ans) Minerals become rocks by pressure and temperature, often deep inside the earth's core, or easily through pressure for i
Explain Cough reflex Actions - Respiratory Process Cough reflex causes cough due to irritation of some receptors in tracheo-bronchial tree. It is a protective reflex. The irrit
how do some flower make there own food
Fire extinguishers You would recall the classification of fires dealt. Table summaries the type of extinguisher used for different classes of fire. Table: Summary of fire e
What might affect a spreadsheet developer’s choice for the date format used to display the date.
Emergence of Urban Societies: The writings of this period also give us a picture of the social conditions. The social structure was undergoing radical changes at this time,
discuss determinants of food security
What is the professional name for the person who studies fossils? Paleontologist
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