Compound Student Microscope
A look at what is currently available on eBay
 40X-500X compound student biological microscope New US $69.90 
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 Student Binocular Compound Microscope 40x-2000x US $209.99
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 National Microscope Compound 106 LED Younger Students US $79.99
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 Kids Students 40X-1000X Monocular Compound Microscope US $98.88
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 US MICRO STUDENT STEREO COMPOUND MICROSCOPE 40-1000X US $450.00
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 40X-400X Student Compound Microscope w Power Cord Spool US $279.99
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Can someone please answer this biology question????<3?
A student used a compound microscope to obtain data on leaf stomate density. The student observed a small area of the lower epidermis of a leaf and counted two stomates in the high-power field of vision. The student then observed a small area of the upper epidermis of the same leaf and found no stomates in the high-power field of vision. After making these observations, the student should
1. assume that leaves never have stomates on their upper surfaces
2. conclude that the lower epidermis of this leaf has a greater stomate density than the upper epidermis has
3. conclude that the lower epidermis of all leaves has a greater stomate density than the upper epidermis has
4. make additional observations before drawing conclusions about leaf stomate density
Perhaps the answer is 4, seeing that only a small area was observed. It is not enough to draw a conclusion about the whole leaf.
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October 1st, 2005 in
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