Bio- Intro Flashcards
What is the cell Theory?
- All living material made up of cells
- Cell is the pasic unit of life
- Most cells are very small
- Every cell is surrounded by membrane which keeps it apart form the outside world
- All cells composent of similar chemicals and do the same job
- All cells come from pre-existing cells
Who is francessco redi? (1626-1697)
He tested distettles rotting meet turns to fly’s theory. He proved evidence against spontaneous generation
Who is Needham? (1713-1781)
Filled flasks with broth but had microorganisms after killed them. Stated spontaneous generation is real but his science was wrong.
Who is Lazzaro? (1729-1744)
He challenge Needham by boiling it longer and sealed it. Spontaneous generation theory weakened
Who is Louis paster? (1822-1895)
He invented swan neck flask which prevented microbes entering the broth. This finally destroyed spontaneous generation theory
What is the order of the people?
- Francessco
2.Needham
3.Lazzaro
4.Louis paster
Who is Aristotle?
-flies come from rotting meat
-his theory was known as “spontaneous generation “