Answer :
Answer:
1)robert brown
2)Robert Hooke
3)Theodor Schwann
4)Matthias Schleiden
5. Zacharias Janssen
Explanation:
The emmanation of Cells was known about 3.5 billion years ago. The cell is the basic unit of life, in which all living organisms are made up. Robert Hooke in 1665 discovered what we called cell theory today. Alot of scientist worked to the successful discovery of cell such as matthias schleiden,Theodor Schwann and others.
1. robert brown who is botanist as well as a Scottish. in his experiment on plant cell, that small dense round bdy substance were present in the plant cell which he later called nucleous.
2. First to identify and name cells
In the year 1665, Robert Hooke brought about the discovery of cell, he identified cell. However, he was able to identify cell using a microscope where he sees a dead cell which he called cork.
3. Arround 1830s Theodor Schwann who is a botanist and Matthias Schleiden are carrying experiment on tissues after series of experiment they arrived at unified cell theory. and that new cell came u from existing cell.
Theodor Schwann later concluded that all animals are also made up of cells, and that was arround 1839.
4. In the year 1837, Matthias Schleiden discovered that that old plant's cell Nuclei usually form the new cell. However, with series of experiment,
Matthias Schleiden who is German scientist Concluded all plants are made up of cells In 1838.
5. Zacharias Janssen who hails from Dutch, in 1590, co-invented the first microscope with Hans. They are regarded as a spectacle maker. However, the first spectacle was attributed to Italy in 14th century. Anton van Leeuwenhoek was the man that use the microscope to observe specimen in 1675 with a lens.