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Many animals have multiple names;
different animals may share a common name;
some names are too long and descriptive
Problems with naming different species
Different scientists focused on different characteristics
It was hard to standardize descriptive scientific names because...
Used to identify organisms;
consists of a series of paired statements or questions that describe alternative possible characteristics of an organism
In binomial nomenclature, first word begins with _______ ______, second word begins with _________ ______
First part of scientific name according to binomial nomenclature;
a group of a similar species
Unique to each species
Second part of scientific name according to binomial nomenclature is ... (not a term)
In a useful classification system, organisms in a particular group are more _______ to one another than they to organisms in other groups
The science of naming and grouping organisms;
goal is to organize living things into groups that have biological meaning
Linnaeus also developed a classification system that formed a _________ or set of ordered ranks;
his original system had four levels
Species, genus, family, order, class, phylum, kingdom
Over time, Linnaeus's original classification system expanded to include seven hierarchical taxa: ...
Scientific name of a camel with two humps;
second part was named came from an ancient country in Asia
In deciding how to place organisms into larger taxa, Linnaeus grouped species according to __________ similarities and differences
Llamas are placed in this genus;
they are not part of the Camelus genus because, although they resemble camels, they are more similar to other South American species than they are to European and Asian camels
Several genera that share many similarities (like Lama and Camelus) are grouped into a larger category, the ______
Class which includes all animals that are warm-blooded, have body hair, and produce milk for their young
Classes are grouped into the next largest rank which includes organisms that are different but share important characteristics
The class Mammaliais placed in this Phylum along with other classes because all of the organisms share important body-plan features, among them a nerve chord along the back
Members of a _______ determine which organisms belong to that _______ by deciding with whom they mate and produce fertile offspring
Many of Linnaeus's groups are still valid under modern ______________ _______
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