Additional Activities
Crossword Puzzle.
A. Identify the YEAR being described in each statement below. Supply the blank
boxes with numbers to coinplete the year of each of the events took place.
Vertical
1. The year plants were discovered to be
composed of cells.
2. Red blood cells and sperms were first
observed.
3. When animals are composed of cells
was concluded.
Horizontal
1. Cells were first discovered.
2. When cells come from pre-existing
cells was theorized.
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