What are motor skills? You might hear about the development of fine and gross motor skills in the pediatricianâs office, parenting magazines or a baby development book. What exactly are they? This is actually a pretty complicated question.
The cell was first discovered by Robert Hooke in 1665 using a microscope. The first cell theory is credited to the work of Theodor Schwann and Matthias Jakob Schleiden in the 1830s. In this theory the internal contents of cells were called protoplasm and described as a jelly-like substance, sometimes called living jelly.
Hookeâs Discovery of Plant Cells. Hooke looked at the bark of a cork tree and observed its microscopic structure. In doing so, he discovered and named the cell â the building block of life. He thought the objects he had discovered looked like the individual rooms in a monastery, which were known as cells.Hooke did not discover the true biological function of cells. Plant cells, discovered, named and drawn by Robert Hooke.e thought the objects he had discovered looked like the individual rooms in a monastery, which were known as cells. Hooke did not discover the true biological function of cells. Plant cells, discovered, named and drawn by Robert Hooke.