Cell theory, scientists for cell theory, and how it changed

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Name of the German botanist (one who studies plants) from the 1800's?

Matthias Schleiden

Name of the spectacle maker from the Netherlands - lived in the early 1600? What was this scientist famous for?

The spectacle maker from the Netherlands was named Zacharias Jansen. Zacharias Jansen is famous for making the first compound microscope and the first telescope.

Who discovered the first and second part of the cell theory?

Theodor Schwann and Matthias Jakob Schleiden

Who discovered the third part of the cell theory?

Theodor Schwann and Matthias Jakob Schleiden MOST IMPORTANTLY: Rudolf Virchow

Who came up with the cell theory?

Theodor Schwann, Matthias Jakob Schleiden, and Rudolf Virchow

Name of another German scientist from the 1800's that studied animals?

Theodore Schwann

Cell theory (3 parts)

1. All living things are made of cells 2. Cell comes from other cells (*New*) 3. Cells are the smallest unit of life.

What did Anton Van Leeuwenhoek call his discovered bacteria by looking at his teeth scrapings under his homemade microscope?

Animalcules.

How did the cell theory change?

People/scientists used to believe in spontaneous generation until Hooke made a microscope and Schwann and Virchow made it the official third part of the cell theory --> All cells come from preexisting cells.

Name of the English scientist who is credited for coming up with the term "cell?" How? Why did he call his discovery "cells"?

Robert Hooke and by looking at a piece of cork. He called them cells because when he looked at them it reminded him of the rooms that were located in monasteries that monks slept in.

What part of the cell theory did Schleiden and Schwann disagree on?

Schleiden and Schwann disagreed on where cells come from.

What did Schleiden believe?

Schleiden believed that cells come from free cell formation.

What did Schwann believe?

Schwann believed that all cells come from preexisting cells. And Schwann was right.


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