3.2b Predictions are based on previous knowledge. Knowledge and creative insight are usually required to recognize the meaning of the unexpected. The validity of an investigation cannot be accepted unless the complete investigation can be independently duplicated. Accurate record keeping and replication allow students to test the validity of experiments. Chromosomes, eucaryotic cells, fission, meiosis, mitosis, prokaryotic cells, regeneration Thisclassroom connector addresses instructional objective 2.01.
Every multicellular organism begins life as a single cell.
By the time you were born you were made of many trillions of cells. Human cells are not the only kind of cells that make more of its own kind. All organisms, both multicellular and unicellular, make new cells by a similar process of cell division. Each cell is able to form new cells just like itself. In unicellular organism, cell division is the way these organisms reproduce.