Theories of the orgin in life Flashcards
God created everything
Divine Theory of Creation
In the 17th century, there has been an argument going on about these two
Abiogenesis vs Biogenesis
generation of bio/life
Word
Genesis
Spontaneous generation
Abiogenesis
Life exists out of nothing
Abiogenesis
This theory has been disapproved
Abiogenesis
JOHN NEEDHAM
Abiogenesis
He experimented through a broth
Spontaneous Generation
John Needham
The microorganisms grew in the broth despite being heated
Spontaneous Generation
John Needham
two reasons why John Needham’s experiment wasproved to be incorrect
Spontaneous Generation
- Boiling point
- Exposure to air
LIFE ORIGINATED FROM PRE-EXISTING LIFE.
Biogenesis
In his experiments, there are 3 jars
Biogenesis
Francesco Redi
there is meat and it is completely exposed, there is air exposure which is why the flies hatched their eggs and maggots grew
Francisco Redi
1st Jar
the jar is closed, so the flies
cannot enter the jar
Francisco Redi
2nd Jar
the jar was sealed with gauze
pad which is why the flies hatched their eggs
in the gauze pad
Francisco Redi
3rd Jar