Chapter 14 - Evolution Flashcards
What was Aristotle’s idea about how life arose called?
Spontaneous generation
What is another name for spontaneous generation?
Abiogenesis
Explain spontaneous generation of life:
Living things can arise from non-living things
How long did the idea of abiogenesis or spontaneous generation last?
2000 years
The idea of abiogenesis lasted so long because, instead of testing their ideas, people based their beliefs on what?
What they knew about their own lives
Based beliefs on their interpretation of observations without testing
Were their observations tested?
No, had no way
Did they use the scientific method for their observations?
No
What observation about new life did Egyptians make when the Nile River flooded each year?
They believed that frogs, which came when flooded, came from the mud
What observation about new life did Medieval farmers make when they stored their grain each year?
When it rained and the new grains got moldy and spoiled mice showed up, and then they believed the grains created mice
The English people centuries ago, threw their garbage and sewage out on the streets. What observation about new life did these people make?
Rats came because of sewage and believes that rats came from sewage