Question

Here is the question :-

Give Cell Theory...

Answer 1

Explanation:

The word cell is dervied from the Latin word "cellula" which means "a little room". An English scientist, Robert Hooke (1635 - 1703) , in 1665 discovered and name the cells, while examining a thin slice of bottle cork under a primitive microscope made by him .Hooke observed cork 's honeycomb or porous structure . Hooke found porous structure of cork to resemble with monastries and called the units, cells. He published in work in the book "Micrographia "in 1665.

In 1674, Anton von Leeuwenhoek (1632-1723) , a Dutch microscopist , made an improved microscope and using the microscope he discovered the free living cells in pond water for the first time (1674). In 1678, he discovered sperm and identified the sperm cells of humans , dogs, rabbits,frogs , fish and insects.

hope it helps you mate.....

Answer 2

Explanation:

All living organisms are composed of one or more cells. The cell is the basic unit of structure and organization in organisms. Cells arise from pre-existing cells.