Wednesday, November 4, 2009
This week, we did not learn much because it was a 3-day week. On Monday, we researched the insides of animal cells and plant cells. These insides of cells are called organelles. There was a nucleus in each cell, and mitochondria as well. In the plant cell, there was something called chloroplast which maintained the green color of the plant. The organelles in the animal cell were all mostly in the plant cell as well. On Tuesday, we talked about the organelles in the plant cell and animal cell and researched the functions of all the organelles. Some of them were that the nucleus controlled almost everything about the cell, like the cell's actions. The cytoplasm keeps everything in place inside the cell. The cytoplasm is like some kind of gel which fill the empty spaces in the cell. On Wednesday, we talked about paramecium which we had to research for homework. Paramecium was shaped like a foot, and was sometimes called the lady slippers. We thought about the places where paramecium could be found, and thought about where most bacteria was found: still water like ponds and swamps. We got a sample of still water full of duckweed, a kind of aquatic plant. Under the microscope, there were many things that looked like paramecium.
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