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AnthroEvolution
The evolution of evolution
| Question | Answer |
|---|---|
| Define Evolution | Different species developed from a common ancestor over long periods of time |
| Carls Sagan | Calender guy, Calender is earth existence, 90 minutes is humans |
| Chain of Being | All animals and plants are linked and need each other. Gods-Angel-Human-Animals-Plants. Species cannot become extinct because all creatures created by a god. |
| Carolus Linnaeus | Influential scientist who classified plants and animals in a system. Humans with primates but still all animals created by a God |
| Jean Baptiste Lamarck | Believed that acquired characteristics could be inherited and passed onto offspring. Out of need animals willed themselves to change. Didn't know how traits were passed. First ideas of evolution. |
| Geroges Cuvier | Leading opponent to evolution. Catastrophism. Idea that quick series of catastrophes accounted for changes in fossil record. ex, Noah's flood killed of some previous species, and God replaced them with new. Against Evolution |
| Uniformitarianism | Suggested that the Earth is constantly being changed and changed by natural forces that operated over long stretches of time (Epochs). Ex, erosion. |
| Sir Charles Lyell and Hutton | Theory of Uniformitarianism |
| Natural Selection | Process where physical and genetic traits from a common ancestor diverge into different species. "Good" traits survive and reproduce increasing frequency. Variation-Heritability- Reproduction-Differential. |
| Punctuated Equilibrium | Refuted Gradualistic evolution. There are short quick periods of many evolutionary changes, then it slows down for a long time where nothing changes until next face period. |
| Darwin and Walace | Natural Selection |
| Eldridge and Jould | Punctuated Equilibrium |
| Gradualism | A slow evolution over a long time. Geological barriers are a big factor in change. Darwin, Walace, and Lyell (uniformitariansism) |
| What did Gregor Mendel use for experiments? | Plea plants |
| what is an allele? | One of two or more alternative forms of a Gene that arise by mutation and are found at the same place on a chromosome. |
| Who does Genetic drift affect? | Small, isolated populations. (Increases differences between two populations) |
| What is the flounder effect? | When a small group of organisms leave a larger gorup and isolate themselves. Desendents may vary depending on who left the group and what genes they have to pass on. (Limits possible gene combinations) |
| Isolation of populations can happen because? (2) | Physical reasons (barriers) Social reasons (Religion) |
| What is gene flow? | Where genes are passes from one population to another, mating and reproduction. (Decreases differences between populations) |
| What is a species? | A population of animals that can all successfully mate with one another. |
| Speciation? What can cause this? | Speciation is the development of a new species. It happens when one subgroup of a species finds itself in a radiacally new environment. Adaption leads to genetic change and then a new species over a long time. |
| 3 criticisms of Creationism | 1) empirical evidence from fossils and expiriments for Speciation. 2)Religion is just a political movement 3)Natural selection can't do it (to complex) so it MUST be divine intervention. |
Created by:
Lizzardcat8
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