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sophie b.'s picture

sophie and keshia

Hypothesis: Bigger things are made up of small cells but small things are made up bigger cells

In the preliminary stage of our observations we thought that bigger organisms (i.e trees) were made up of small orderly cells, we looked at slides of five different organisms: a pine tree, a buttercup, fungi, algae, and moss. Our observations were as follows:

Pine Tree: 5-10 microns at 40x, smaller bounded circles, appeared to be more of a pattern, with little space in between cells.

Buttercup: Approximately 6.25 microns at 10x, also smaller bounded circles in a similar pattern to the pine tree cells.

Fungi: Approximately 5 microns, in long strands at 40x, spaced far apart from one another.

Algae: Cells were approximately 7 microns at 40x, individual cells in small groups, in a random arrangement spaced far apart from one another.

Moss: Cells were approxmiately 5 microns accross (the cells were too long to measure in height) at 40x, spaced tightly together.

We believe that our obervations support our hypothesis, as the larger organisms all had larger amounts of small cells, whereas the smaller organisms (ie, the moss) were made up of comparitvely bigger cells. Our observations may be skewed because we only compared plant cells, and not animals.

 

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