| A | B |
| Lyell | Geologist who wrote a book that influenced Darwin |
| Lamark | Thought that animals acquired traits in lifetime and passed them down to children |
| Darwin | Wrote book 'On the Origin of Species' and came up with the theory of natural selection |
| Spallanzani | Covered the broth but left out the 'vital force' (oxygen) |
| Redi | Disproved spontaneous generation with the meat and maggots experiment |
| Pastuer | Disproved spontaneous generation with an 'S' shaped flask experiment |
| Needham | Boiled broth but did not properly cover the flask |
| Wallace | Friend of Darwin who held the same ideas |
| Malthus | Influenced Darwin with his paper about human population growth |
| Oparin and Haldane | Scientist who had the idea that life on earth could have formed gradually from nonliving chemicals |
| Miller and Urey | Scientists who formed amino acids and other simple organic compounds in a laboratory experiment |
| Fox | Scientist who heated amino acids to form protein-like spheres |
| Linnaeus | the father of taxonomy who classified organisms in groups within groups |