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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
How did Ozone play a big part in the evolution?
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
advantages and disadvantages of protozoa
what are the condition necessary for heat transfer to occur?
what happens if water runs out
wave length of invisible co2 laser
Another way to show that air expands when heated Snap a toy balloon over the neck of a small bottle and place the bottle in a pan of warm water.
how to do assingment phylum annelida
Explain Hormonal Phase of Pancreatic Secretion Hormonal phase: After food enters from the stomach to the duodenum, pancreatic secretion starts increasing. Two hormones are resp
Diabetes : A diabetic patient may lapse into diabetic coma or unconsciousness, but usually the affected person is aware of the symptoms before this occurs. You can assist at any s
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