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Unit 1 Vocabulary

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Across
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Microorganisms lacking a cell nucleus; comprise the Bacteria and Archaea evolutionary groups
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Any molecular evidence of life in the fossil record
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A mechanism that can lead to evolution; differential survival and reproduction leads some genetic types to outcompete others
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Any change in the inherited traits of a population that occurs from one generation to the next
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The science of describing, naming, and classifying species of living or fossil organisms
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Any change to the genomic sequence of an organism
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Genetic material from different strains gets mixed into new combinations when multiple viruses infect one cell
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Allows a virus to free itself from a host cell
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First terrestrial cetacean ever discovered
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Allows a virus to bind to a host cell
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The study of prehistoric life
Down
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Inherited traits of an individual that allow it to outcompete other members of the same population
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Evolution arising from random changes in the genetic composition of a population from one generation to the next
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A technique that allows geologists to estimate the precise ages at which one geological formation ends and another begins
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Inner ear bone; most reliable trait to classify fossils as cetaceans
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The study of layering in rock
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Layered mats of bacteria that are the oldest evidence of life on earth
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A visual representation of the evolutionary history of populations, genes, or species
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Characteristic that is shared by two or more species because it is inherited from a common ancestor