Bio280 Study guides, Class notes & Summaries

A new fossil of a mammal is discovered from Eocene deposits that is remarkable for its extremely short neck coupled with very long legs. What would you predict for the number of neck vertebrae that would be found in this fossil? - 7 Alleles are most likely to show linkage disequilibrium if they: - occur very close together on the same chromosome An approach to estimating the narrow-sense heritability of a trait - measure the trait in parents and their offspring for comparison Based on the...

Which novel human activity encouraged the early increase of malaria? - agriculture Genetic drift is the process responsible for: - Losing an existing allele due to random sampling The high incidence of migraine headaches in residents of Norfolk Island (who were moved there from Pitcairn Island) is a result of: - Genetic drift associated with a founder effect set in motion by the events of the Bounty Mutiny Under which conditions is selection most likely to be masked by genetic drift - i...

Which novel human activity encouraged the early increase of malaria? Answer> agriculture Genetic drift is the process responsible for: Answer> Losing an existing allele due to random sampling The high incidence of migraine headaches in residents of Norfolk Island (who were moved there from Pitcairn Island) is a result of: Answer> Genetic drift associated with a founder effect set in motion by the events of the Bounty Mutiny Under which conditions is selection most likely to be...

20 - 100 million - Lord Kelvin calculates in 1862 that the Earth is around _____________________________ years old 4.5 billion - How old is the earth? 6,000 - age of the Earth in years based on biblical genealogies 70,000 - Comte de Buffon hypothesized that the Earth was _________ years old based on laws of atoms and particles that explained that species were formed from organic particles after a comet strike adaptation - inherited aspect of an individual that allows it to outcompete other...

Great Chain of Being - species were arranged on a scale from lower to higher forms Linnean classification - A classification system that breaks down animals into seven levels, each level being a taxon taxa - nested hierarchy of groups taxonomy - the science of describing, naming, and classifying species of living or fossil organisms Nicolas Steno - discovered that animal and plant remains were preserved and transformed into stone in 1666 natural theology - emerged from the 17th ce...

Great Chain of Being Answer> species were arranged on a scale from lower to higher forms Linnean classification Answer> A classification system that breaks down animals into seven levels, each level being a taxon taxa Answer> nested hierarchy of groups taxonomy Answer> the science of describing, naming, and classifying species of living or fossil organisms Nicolas Steno Answer> discovered that animal and plant remains were preserved and transformed into stone in 166...