III. Read the passage below and fill in the blanks with the words from the box
invention (2)
scientist
pioneered
bacteria
observations
boxes
grasped
occupied
microscope
pond water
including
tissue
comprehend
to observe
The first (a)…… of cells were made in 1665 by English (b)…… Robert Hooke, who used a crude (c)…… of his own (d)…… to examine a variety of objects, (e)…… a thin piece of cork. Noting the rows of tiny (f)…… that made up the dead wood’s (g)……, Hooke coined the term cell because the boxes reminded him of the small cells (h)……by monks in a monastery. While Hooke was the first to observe and describe cells, he did not (i)…… their significance. At about the same time, the Dutch maker of microscopes Antoni van Leeuwenhoek (g)…… the invention of one of the best microscopes of the time. Using his, (k)…… Leeuwenhoek was the first (l)……, draw, and describe a variety of living organisms, including gliding (m)…… in saliva, one-celled organisms cavorting in (n)……, and sperm swimming in semen. Two centuries passed, however, before scientists (o)…… the true importance of cells.