17.1 Classification

Developed the first system of classification

Aristotle

Because the bones of some dinosaurs have large internal spaces, some scientists think dinosaurs are more closely related to amphibians than to reptiles.

False. Dinosaurs are more closely related to BIRDS than reptiles.

Similarities between living species and extinct species cannot be used to determine their relationship to each other.

False. Similarities between living species and extinct species CAN be used to determine their relationship to each other.

The scientific names of organisms can be misleading.

False. The REGIONAL names of organisms can be misleading.

The scientific name of a species consists of a family name and a descriptive name.

False. The scientific name of a species consists of a GENUS AND A DESCRIPTIVE name.

Using the information in the chart, what can you conclude about the classification taxa of an organism with the scientific name Rana temporaria?

Frog

Which taxon includes the broadest characteristics?

Kingdom

To which taxa do all four organisms belong?

Kingdom, Phylum

If two organisms belong to the same family, what other taxonomic groups do the organisms have in common

Kingdom, Phylum, Class, Order

Designed a system of classifying organisms based on their physical and structural similarities

Linnaeus

Which two organisms in the chart are most closely related? Explain

Mountain lion and the domestic dog. The are similar because their characteristics are similar which makes them grouped together in some of the taxons.

Which taxon includes more species, an order or a family?

Order

What is the order, family, and genus of a human?

Primate, Hominidae, Homo

Which taxon includes only organisms that can successfully interbreed?

Species

Classification can be useful in identifying the characteristics of an unknown organism.

True

Latin is the language of scientific names.

True

Taxonomists try to identify the evolutionary relationships among organisms.

True

The scientific name of modern humans is Homo sapiens.

True

Naming system that gives each organism a two-word name

binomial nomenclature

Grouping objects or information based on similarities

classification

Besides comparing the structures of organisms, taxonomists also compare the organisms' geographic distribution and chemical makeup.

external and internal structures.

Consists of a group of similar species

genus

Which class does not include animals that have hair or fur?

species

Which taxon includes the most specific characteristics?

species

Branch of biology that groups and names organisms

taxonomy