One reason common names are not useful to biologists is that they ....

• are in Latin.

• can apply to more than one organism.

• are too long.

• require the use of a dichotomous key.

What is the universally accepted naming system for classifying organisms?

• binomial nomenclature

• traditional classification

• 3 domains

• cladistics

To be useful, a scientific name has to refer to:

• all living things.

• all living and extinct species.

• all species in an environment.

• a single species.

Based on their names, the octopus Hapalochlaena maculosa and the octopus Hapalochlaena fasciata do NOT belong to the same ______.

• Class

• Family

• Genus

• Species

Linnaeus's classification system contains ______ levels of classification.

• 1

• 3

• 5

• 7

A genus is composed of several similar ______.

• kingdoms

• phyla

• orders

• species

Multiple ________ makes up a Class.

• Kingdoms

• Phyla

• Orders

• species

What are the highest levels of taxa in the Linnaean system?

• kingdom and order

• domain and phylum

• phylum and kingdom

• genus and kingdom

Traditional classifications were based primarily on

• fossils of extinct organisms

• RNA differences

• DNA similarities

• visible similarities and differences in traits

Tags

NGSS.MS-LS4-1

What is a derived character?

• a trait that arose in an ancestor and is passed along to offspring

• a new trait that is only seen in a single species

• a trait that is lost from one generation to the next

• a trait that makes a species go extinct

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4