Earh Life Flashcards
1
Q
What does Miller and ureys experiment tell us about organic compounds needed for life?
A
They could have been arisen from simpler compounds on a primitive earth
2
Q
Could life arise from non life today? Why or why not?
A
No because the conditions aren’t the same as they were billions of years ago
3
Q
Why is the development of sexual reproduction so important in the history of life
A
Is sped up evolutionary change because it increased genetic variation
4
Q
Early earth atmosphere?
A
Little to no oxygen
Carbon dioxide, water vapor and nitrogen