Biological Classification Concepts

Branch of biology that deals with the classifications of organism

• Genetics

• Zoology

• Botany

• Taxonomy

Taxa means _______/

• Group

• Trait

• smallest organism

• largest group

The scientific name of polar bear is "Ursus maritimus." The word "Ursus" is the ______

• domain

• kingdom

• genus

• species

The scientific name of onion is Allium cepa. The word "cepa" is the ______

• domain

• order

• genus

• species

How many domains of classification are there?

• 1

• 2

• 3

• 4

How many kingdom classifications are there?

• 2

• 4

• 6

• 8

________ is the study of the evolutionary history of lineages of organisms.

• Cytology

• Phylogeny

• Taxomony

• Genetics

______ is a group of species that includes a single common ancestor and all descendants of that ancestor.

• clade

• taxa

• order

• species

A trait that arose in the most common ancestor of a lineage and ws passed to its descendants.

• recessive trait

• dominant trait

• derived trait

• homogenous trait

The fundamental unit of heredity.

• DNA

• genes

• RNA

• clade