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| The result of repeated testing. Not absolute, open to falsification. Tested explanations of facts. |
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| A proposed explanation made on the basis of limited evidence. |
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| The belief that species do not change but are the same as when first created. |
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| Challenged a notion proposed by Aristotle to account for the movement of the sun and planets. |
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| Key principle of geology, establishing the concept of "deep time" |
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| Geological principle that asserts that the earth has been shaped by sudden, short-lived, violent events. |
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| Darwin and Natural Selection |
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| Understood the units of heredity. Recognized the importance of biological variation. Believed that population size was limited to food availability. |
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| Protein synthesis: product of transcription |
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| Protein synthesis: product of translation |
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| Three DNA bases that code for an amino acid |
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| Idea that during the production of gametes the two copies of each gene separate so that offspring acquire one allele from each parent. |
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| During meiosis when homologous chromosomes exchange genetic information. |
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| Have a continuous range of expression. |
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| The change in allele frequency from one generation to the next. |
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| Determines if a trait is favorable. |
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| The only source of NEW genetic material in any population. |
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| An alternate form of a gene. |
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| Inheritance of Acquired Characteristics |
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| Principles of Populations |
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| Separate genes for separate traits are inherited independently of one another. |
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| Organisms better adapted to their environment survive and produce more offspring. |
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| Inheritance of Acquired Characteristics |
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Definition
| Traits gained in one generation can be passed down to the next. |
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| Ongoing natural forces shape the earth and are consistent over time. |
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| Principles of Populations |
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Definition
| Human population growth is limited by resources. |
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| The observable, physical expression of genotypes. |
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| Structure of a (nuclear) DNA molecule |
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| In protein synthesis, where transcription occurs. |
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| In protein synthesis, where translation occurs. |
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| A molecule that brings free floating amino acids to the ribosome. |
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| A taxonomic system of classification developed by Carolous Linneaus. |
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| Number of chromosomes in the normal human karyotype. |
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| Examples Natural Selection |
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| Predation, access to resources, and climate. |
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| The pigment that is responsible for coloration in humans. |
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