Card Set Information
Biology (ch. 18)
Taxonomy provides consistent ways to _____ organisms.
Two different organisms _______ have the same scientific name.
A genus is a taxoonomic category that contains serveral _________.
The least inclusive group to which an organism can be assigned is its _________
A species is a _______ taxonomic group than genus.
Organisms that have similar traits but evolved independently are the result of ________ evolution.
_______ is used to determine the sequence in which different groups of organisms evolved.
In modern systematics, studies of the ____ __________ of vertebrates have helped researchers to estimate the time at which each species began to evolve.
All organisms in the kingdom ________ are multicellular heterotrophs whose cells lack cell walls.
Archea are _____ ________ that are characterized be several unique biochemical characteristics.
The current system used for naming organisms was developed by________
The two-word syste for naming organisms is called____________
The scientific name of an organism gives biologists a common way of _____________ regardless of their native languages.
All names assigned to organisms under the Linnaean system are in the ________ language.
The unique two-word name for a species is its _________ name.
All living things are grouped into one of three ________
There are _____ levels of classification in the modern classification system.
A kingdom contains many ________
Each level of classification is based on ___________ shared by all the organisms it contains
homo habilis, homo erectus,
all belong to the same _______
Traditionally, scientists have used differences in appearance and ________ to classify organisms.
The type of evolution that results in similar characteristics found in different organisms as the result of selection within similar enviroments is called _______ evolution
The evolutionary history of a species is called its __________
Shared derived characters are found in organisms that once shared a ________ ancestor.
A method of analysis that reconstructs phylogenies by inferring relationships based on shared characteristics is called ________
A model developed by systematists that uses shared derived characters to show the evolutionary history of different organisms is called ____________
Two kingdoms include prokaryotes, while four kingdoms include ____________
Bacteria have strong exterior cell walls made of ___________
An organism made of many cells that are permanently associated and that coordinate their activities is called a __________ organism.
Eukaryotes that are not fungi, plants, or animals, are called _________