1.

Write the contribution of (a) Robert hooke (b) leeuwenhoek (c) Robert brown

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Answer:

Explanation:

Robert Hooke was the first SCIENTIST to OBSERVE cells,in 1665. He observed the cells in a cork SLICE with the help of a primitive microscope.

Leeuwenhoek, with the improved microscope, discovered the free LIVING cells in pond water for the first time

Robert brown - discovery of the nucleus and its role helped to prove the cell THEORY, which states that all living organisms are composed of cells and cells come from pre-existing cells. Other discoveries and contributions of Brown include: The discovery and naming of over 2000 species of plants.



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