agar lab

  1. 1. The cube that proved itself to be the most efficient when it came to diffusion was the 1 cm cube. 




    2. I believe that the smaller size that this cube had, allowed for the diffusion to be more easily and rapidly expand across the cube. Thanks to its volume to surface area ratio. This cube had the highest ratio out of all the others, therefore having a higher diffusion efficiency.

    3. Because the cells would be less efficient in the process of diffusion, which is an important process in cells, as it helps export nutrients, water, and oxygen between living cells. It would take much more time to diffuse if they were larger.

    4. Out of the three cubes (A, B, and C), C (4:1) would be the most efficient in maximizing diffusion as it has the lowest Surface to Volume ratio out of the three cubes. The higher ratio means that this cube has less volume and less surface area, so it would be easier to diffuse.

    5. We have bigger organs that are made up of smaller cells. This allows for covering the maximum amount of surface area so that gases can be exchanged much more efficiently.

    6. Because of the SA: Volume the ratio decreases as the size of an object decreases as demonstrated by the lab data. There is a ratio limit where the size is too large to be able to diffuse efficiently and provide nutrients, water, and oxygen.

    7. The variety of cells is an advantage that multicellular organisms have. This is because each type of cell has its own function to do, each one being more complex compared to unicellular organisms. Being multicellular, different organs to have different functions such as the organs in the circulatory, digestive, reproductive, and respiratory systems.

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