The science of classifying living things is called _____________.
the science of grouping organisms according to their characteristics and evolutionary history.
become more similar in appearance
As we move through the biological hierarchy from the kingdom to species level, organisms ____________________.
it doesn't seem to fit into either category
A mushroom is difficult to classify in Linnaeus's two-kingdom classification system because _______________________.
Which of the following was not a consideration for Carolus Linnaeus when he developed his system of nomenclature of organisms?
Which scientist developed the system of classifying organisms by assigning them a genus and species name?
A shark's skeleton is made of cartilage while a dolphin's skeleton is made of bone. This is one reason the two organisms are placed in different _________________.
Because both organisms in the diagram are vertebrates, they are classified in the same ___________________.
The organism Quercus phellos is a member of the genus _________________.
Poison ivy is also known as Rhus toxicodendron. Its species identifier is ___________________.
The red maple is also known as Acer rubrum. Its scientific name is ________________.
The scientific name of an organism A. varies according to the native language of scientists. B. is the same for scientists all over the world. C. may refer to more than one species. D. may have more than one genus name.
Scientists don't use the common names of organisms because A. an organism may have more than one common name. B. common names are too ambiguous. C. an organism rarely has the same name in different languages. D. All of the above
1 of each
How many genii and species identifiers can an organism have?
Scientific names are written in what language?
be in the same phylum
Two organisms in the same class but different orders will _________________.
Organisms in different genera
_____________________ may share the second word of their scientific names, may be in the same family, and may be in different orders.
Be more similar than 2 organisms in different classes, Be in the same class,and have the same species identifier
Two organisms in the same order but different families may ________________________.
Kingdoms are divided into phyla, and a phylum is divided into ___________.
The correct order of the biological hierarchy from kingdom to species is _________________.
The lowest hierarchy level in biological classification is the ________________.
Which of the following is the least inclusive classification group?
Quercus rubra : Quercus phellos :: A. Anolis carolinensis : Parus carolinensis B. Erithacus rubicula : Turdus migratoria C. Aphis pomi : Aphis gossypii D. carp : goldfish
class : family :: A. order : phylum B. genus : class C. species : genus D. phylum : order
chemical, physical, and behavioral
Today, biologists classify organisms by their _____________, ______________, and ______________ similarities.
________________ depict presumed evolutionary relationships based on a variety of types of evidence.
the common ancestor
The organism at the base of a phylogenetic tree is __________________ of all the organisms depicted in the tree.
The DNA sequences of 2 species of sharks would: A. be more similar than the DNA of a shark and a dolphin B. show no differences C. be very close to the DNA sequences of a dolphin D. indicate how sharks evolved
morphology, embryological development, and amino acid sequence proteins
Which types of characteristics are used in taxonomy to organize organisms? ___________________, _____________________, and __________________
Both halves of the arthropod would die, while both halves of the vertebrae embryo would become whole twin organisms.
What would happen if an early arthropod and early vertebrae embryo were split?