Dutch scientist Anton van Leeuwenhoek.
Because they were discovered and exist in living organisms.
Bacteria is not an invention. Bacteria are microscopic organisms. They were first discovered by Dutch Scientist Antonie van Leeuwenhoek in 1676.
The scientist Franceso Redi was the first scientist to infer how organisms have arisen.
Scientists data can only date back to when these simple, unicelluar organisms lived and thus believe other living organisms evolved through them.
Anton Van Leeuwenhoek was first scientist who studied pond water and observed , discovered and described many organisms in 1773 .
It was discovered first in 1885 by an American scientist named salmon.
Radioactivity was first discovered in 1896 by the French scientist Henri Becquerel.
The scientist who first studied living cell was A.V. Leeuwenhoek in 1674
animal classifiers classify animals... its their job
microorganisms were first discovered 3-4 billion years ago
Anton van Leeuwenhoek
Gravity was discovered not by a British scientist, but by the first living thingthat had a brain and fell down.Sir Isaac Newton was the British genius thinker who captured the entire natureand behavior of gravity in the formulaF = G M1M2/R2