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Bio 17

QuestionAnswer
The evolutionary history for a group of species is called? phylogeny
One limitation of the Linnaean classification system is that it is based on physical characteristics alone
What has the lowest mutation rate? ribosomal RNA
Linnaeus's two-word system for naming organisms is called? binomial nomenclature
Is Canis lupus correctly written in the binomial nomenclature system? Yes
What do molecular clocks use to measure evolutionary time? Mutation rates
Taxonomy is what? The science of naming and classifying organisms
The best molecular clock for comparing distantly related species is ribosomal RNA
Which of the following taxa would generally contain the most members? phylum
A model used by biologists to represent evolutionary history among species is called a cladogram
During Linnaeus's time, scientists divided all living organisms into two kingdoms
The correct order for the levels of Linnaeus's classification system, from general to specific, is kingdom, phylum, class, order, family, genus, species
How does mitochondrial DNA differ from nuclear DNA? Mitochondrial DNA is inherited from the mother only and nuclear DNA is inherited from both parents
The largest division that a group of organisms can belong to is a domain
Cladistics is a classification system based on common ancestry
In the Linnaean system of classification, the level that identifies one unique organism is the species
Four of the kingdoms include eukaryotes and the other two include prokaryotes
One difference between plants and animals is that plants are autotrophs and animals are heterotrophs
Placement in each level of classification is based on shared characteristics
Archaea Extreme environments bacteria
Bacteria Regular bacteria (strep)
Eukarya All other life (Eukaryotes). Large cells
What is a molecular clock? DNA mutations add up at a constant rate that can be measured
Created by: 25Kwebb
 

 



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