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Unit 1 Vocabulary

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