Term
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Definition
1. Divine origins
2. Extraterrestrial beginnings
3. Primordial Soup
4. Bubble Theory |
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Term
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Definition
| Hypothesis stating that life could arise from nonliving matter (disproven) |
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Term
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Definition
| Spallanzani & Pasteur disproved spontaneous generation |
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Term
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Definition
| Thought that life came about by natural processes. This theory says that Earth's ancient oceans were different molecules and the atmosphere contained nitrogen, methane, and ammonia, but no oxygen. Chemical reactions were caused by energy from the Sun, volcanoes, and lightning, and amino acids, lipids, and other organic molecules found in living cells were formed this way. |
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Term
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Definition
| New organisms come from existing organisms. |
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Term
| How do the 4 theories go against biogenesis? |
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Definition
| They all state Earth was caused by an outside source like a chemical reaction |
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Term
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Definition
| "Trace fossils", not the organisms themselves, but is evidence the organism has been there |
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Term
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Definition
| 3D trace of organism, protrudes out of surface of rock |
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Term
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Definition
| Not indented or depressed into its surface, do no protrude surface, thin layer of carbon |
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Term
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Definition
| Actual hard art of an organism |
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Term
| Gradualism vs. Punctuated Equilibrium? |
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Definition
Gradualism - happens "slowly"
Punctuated Equilibrium - happens "fast" |
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Term
| What is divergent evolution? |
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Definition
Begins with common ancestor
Leads to homologous structures (same structure; diff. function) |
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Term
| What is convergent evolution? |
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Definition
| Organism in similar type of environment, but from different ancestors |
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Term
| What is parallel evolution? |
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Definition
A form of convergent evolution
Ex.:Australia & New Zealand Kangaroos (marsupials) vs. Everywhere else |
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Term
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Definition
Two species evolve together
Ex.: flowers & pollination, newt & snake |
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Term
| What is Lamarck's theory? |
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Definition
| Use & disuse of organs, inheritance of acquired traits |
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Term
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Definition
| Natural Selection - overproduction, struggle for existence, variations, survival of the fittest, inheritance of variations |
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Term
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Definition
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Term
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Definition
| All the genes of the population |
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