Chapter 19 - Systematics

Question 1

Taxonomy

Answer 1

Branch of biology concerned with naming and classifying organisms

Question 2

Taxon (pl. Taxa)

Answer 2

A named species or named group of species

Question 3

Carolus Linnaeus

Answer 3

Also known as Carl von Linné. The swedish naturalist who introduced the two-part scientific name.

Question 4

Species

Answer 4

Populations of organisms that can potentially interbreed under natural conditions.

Question 5

Genus

Answer 5

A group that includes a number of very closely related species

Question 6

Phylogeny

Answer 6

The evolutionary history of a group of species

Question 7

Systematics

Answer 7

The science of reconstructing phylogeny

Question 8

Clades

Answer 8

Groups that include all organisms descended from a common ancestor

Question 9

Three domains of life

Answer 9

Bacteria
Archea
Eukarya

Question 10

Phylogenetic species concept

Answer 10

defines a species as the smallest possible group whose members descend from a common ancestor and share defining characteristics which distinguish them from other groups.
Proposed replacement for the biological species concept.