All the populations of organisms living close enough together for potential interaction make up a community!
Low power 50x (5x10)
high power 250x (5x50)
If you want to calculate the microscope power of magnification you have to multiple the magnification power of the ocular with the magnification power of the objectiv.
The answer would be 'b'-Active transport and osmosis
Phagocytosis; or even: pinocytosis.
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Bacteria reproduces by cell division rather than meiosis.
