SCIENCE
Siužetinės Linijos Tekstas
- Oh I have heard about it, I know that all living things are made of cells
- Hello class! Today we are going to learn about the cell theory
- I don't know, it sounds complicated
- I know the last one! cells come from the reproduction of existing cells
- Exactly, we have three postulates, the one mentioned by your partner and cells are the basic unit of structure and function in an organism (basic unit of life)
- To learn more about the cell theory we have invited Robert Hooke, he is responsible for naming cells
- Hello class! I will tell you a little about the history of cells in 1673, Leeuwenhoek a Dutch microscope maker, was first to view organism
- In 1838, a German botanist named Matthias Schleiden concluded that all plants were made of cells Schleiden is a cofounder of the cell theory
- In 1839, a German zoologist named Theodore Schwann concluded that all animals were made of cells Schwann also cofounded the cell theory
- In 1855, a German medical doctor named Rudolph Virchow observed, under the microscope, cells dividing He reasoned that all cells come from other pre-existing cells by cell division
- You are welcome!
- Thanks for this information Mr. Hooke, now I understand cell theory much better
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