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The person who studies microscopic organisms is called Microbiologist.
Not all scientist believe this, because some scientist can think and know that the chances of the beauty of the design we see in the world all around us, wither man made or of nature, is absolutely impossible. They are more chances that a Rolls-Royce on any showroom floor came from the back of a cement mixer full of all the right parts, than there are that a "single-celled ancestor" evolved into the complex world around us. because cells only come from pre-existing cells A+
Scientists thing protists evolved from archaea, which are simply single celled organisms.
Anton van Leeuwenhoek
a singe celled is a prokaryote and multi celled is a eukaryote
Because cells only come from pre-existing cells!
Because cells only come from pre-existing cells!
because cells only come from pre-existing cells
The coding of all DNA (and RNA) is the same for all life forms.
No one knows exactly how dinosaurs started to exist, but some people believe that they evolved from single celled organisms that lived in the oceans. Some scientist believe that dinosaurs might be related to lizards or to birds.
There was no "first" human. All living things come from a common ancestor; a single celled organism that evolved over millions of years into human beings.
line of descent
line of descent
line of descent
If you are talking about a Volvox, they have already evolved into a multicellular colony.
Line of descent
Because they evolved them from when they were single celled organisms