| A | B |
|---|
| What is the order in which life was said to have developed? | Inorganic Matter-Simple Orgnaic Molecules- Polymers-Protocells-Cells |
| Who proposed the theory of chemical evolution? | Alexander Oparin |
| This hypothesis of evolution states that random chemical reactions, occuring over millions of years, produced organic molecules | Chemical Evolution Hypothesis |
| What did Miller and Urey conclude from their experiment? | That living things can arise from nonliving matter |
| What was hypothesis about Earth's first life did Francis Crick suggest? | That the origin of organic life came frm outer space |
| How could the absence of an ozone layer have affected conditions on Earth billions of years ago? | The lack of an ozone let through harmful ultraviolent radiation and caused intense lightning storms |
| What are some changes caused by plate tectonics? | Form mountains, forms new land, causes volcanoes |
| what is the radiocarbon dating method? | Used to determine the age of fossils by comparing the carbon ratio ofthe fossil with that of a living organism |
| Who developed the hypothesis of Endosymbiosis? | Lynn Margulis |
| Which Period marked an explosive increase in the number and diversity of living things? | Pre-Cambrian Period |
