Multicellular organisms are made up of more than one cell.They are completely different from unicellular organism.An example of multicellular is a wide range of plants and animal kingdoms.When compared to unicellular multicellular organisms are more complex because their body is made up of different types cells to carry out different functions.Majority of plant species and animals range from fungi to humans coming under multicellular category.In multicelluar organisms an individual cell undergone cell division or you may say proliferation of cells to develop many more cells. The process initiates with process of fertilized cell that keep on dividing to generate more cells.The genetic material of the cell also divides to form daughter cells.
Answer: Arctic Sea ice extent is virtually impossible to accurately measure from the Earth's surface. Scientists use radiometry data and visible imagery collected from the satellites to determine the sea ice extent.
