When was spontaneous Generation considered a valid theory?
100
What is whirling mass of gas and dust.
What did scientist think the solar system was made out of?
100
What is that the early Earth had no oxygen but was made up gases.
what was Oparin's hypothesis?
100
Originally formed when water vapor was released into the atmorsphere from many volcanic eruptions.
What is scientists hypothesis on how Earth's oceans were formed?
100
What is life comes from other living thing
What is the definition of Biogenesis?
200
What is a theory living things come from nonliving things.
What is the definition of spontaneous Generation?
200
What is once-living organisms.
What is in rocks in Australia from 3.5 billion years ago?
200
What is he is a Russian Scientist. He came up with the hypothesis the early earth didn't have oxygen just gases.
Who is Alexander I. ?
200
He hypothesized that sun, lightning, and earth's heat triggered chemical reactions early in earth's history.
Who is Alexander Oparin?
200
What is false
Is a horse created from a chare is that a example of biogenesis
300
What is false
Was Spontaneous Generation proven entirely correct at first.
300
what is 5 billion years ago
How many years ago do scientist think earth began
300
What is true.
Was Alexanders hypothesis ever tested?
300
Used electric currents through gases like those thought to be in the earth's atmosphere and when condensed formed oceanlike liquids that contained amino acids.
Who is Stanley Miller and Harold?
300
What is the mid 1800's.
What was the century biogenesis proven to be an exact theory?
400
What is spontaneous is living coming from nonliving biogenesis is living coming from living
What is the diffrents between Spontaneous generation and Biogenesis?
400
What is Stanley Miller and Harold Urey
Who tested Alexanders hypothesis?
400
To make impure by coming into contact with an unwanted substance.
What is to contaminate?
400
What is any three that come from living things.
Can you give three examples of biogenesis
500
Experiments that showed this did not occur in most cases, but did not entirely disprove them either.
What is spontaneous generation experiments?
500
What is yes
Did the Spontaneous generation change?
500
what is yes but it did not prove that life began in this way.
Was the oparin hypothesis correct?
500
Can be used to find out about events that happened long ago, or just last week, or even predict how something will behave in the future.