Taxonomy

Question 1

The branch of biology concerned with describing, naming, identifying and classifying organisms.

Answer 1

Taxonomy

Question 2

Swedish naturalist ______ devised a system of grouping organisms into hierarchical categories according to their form and structure.

Answer 2

Carolus Linnaeus (1707-1778)

Question 3

Taxon : Singular
____ : plural

Answer 3

Taxa

Question 4

In 1981, a category higher than a kingdom, called _____ was proposed by _____

Answer 4

Domain, Carl Woese

Question 5

Arrange this in order:

Phylum
Family
Genus
Order
Species
Kingdom
Domain
Class

Answer 5

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

Question 6

____ refers to the practice of assigning scientific names.

Answer 6

Nomenclature

Question 7

Binomial comes from the words “bi” meaning “two” and_____ meaning “name”.

Answer 7

Nomen

Question 8

A species name consists of two parts: ____ or generic name and the _____.

Answer 8

Genus and specific epithet.

Question 9

Correct the species name:

canisfamiliaris

Answer 9

Canis familiaris

Question 10

Biologists refer to variations of a species that live in different geographic areas as ______

Answer 10

Subspecies

Question 11

a tool that helps identify unknown organisms to some taxonomic level.

Answer 11

Dichotomous key

Question 12

the study of the diversity of organisms at all levels of organization.

Answer 12

Systematics

Question 13

the study of the evolutionary history and relationships among organisms.

Answer 13

Phylogeny

Question 14

This type of diagram looks like a family tree and has a branching pattern that indicates how closely related subset of taxa are thought to be.

Answer 14

Phylogenetic tree

Question 15

Parts of a phylogenic tree?

Answer 15

Root, Branch point, Basal Taxon, Sister taxa and polytomy

Question 16

a system of phylogenetic analysis that uses shared and derived characters as the only criteria for grouping taxa.

Answer 16

Cladistics

Question 17

In 1966, German biologist, _____developed cladistics

Answer 17

Willi Hennig

Question 18

A feature that all members of a group have in common

Answer 18

Shared character

Question 19

A feature that evolved only within the group under consideration.

Answer 19

Derived character

Question 20

a phylogenetic tree that shows relationship of taxa based on shared derived characters.

Answer 20

Cladogram

Question 21

organism that is distantly related to the other organisms. It is a starting point or comparison with the other organism being evaluated.

Answer 21

Out-group

Question 22

The ___ of a phylogenetic tree indicates that an ancestral lineage gave rise to all organisms on the tree.

Answer 22

Root

Question 23

A ___ indicates where two lineages diverged.

Answer 23

Branch point

Question 24

A lineage that evolved early and remains unbranched is a ___

Answer 24

basal taxon

Question 25

When two lineages stem from the same branch point, they are ___

Answer 25

sister taxa

Question 26

A branch with more than two lineages is a ___

Answer 26

Polytomy