Classification and Diversity

Question 1

The Three Domains of Life
The three-domain system is currently being
used by biologists to ___________ ________

What are they?

Answer 1

classify life

Domain Bacteria and Domain Archaea comprise the
prokaryotes

Domain Eukarya includes all eukaryotic organisms

Question 2

How is the domain Eukarya, subdivided?

Answer 2

Protists
Kingdom Fungi
Kingdom
Plantae
Kingdom Animalia

Question 3

Most inclusive—–Least inclusive (think inverted triangle) Categories (or taxonomic ranks) presently used by biologists to classify new species:

Acronym
Dear
King
Phillip
Came
Over
For
Good
Spaghetti

Answer 3

———————————Domain——————————-
—————————-Kingdom————————
———————–Phylum———————
—————–Class——————
———–Order————-
——–Family——–
—–Genus—–
-Species-

Question 4

Taxonomy: Grouping species

What is taxonomy?

Answer 4

Taxonomy is a branch of biology that names,
describes and classifies species in groups

Classifies organisms based on their differences and similarities

Question 5

Who was Carolus Linnaeus

What is binomial systems of nomenclature

Answer 5

Carolus Linnaeus (Swedish taxonomist)
Lived 1707-1778
Introduced binomial system of nomenclature

Every organism has a name that consists of 2 parts

Question 6

binomial system of nomenclature

name of organisms consists of 2 Latin names, what are they?

Answer 6

1. Genus
2. Species

e.g. homo sapiens (human being)

Question 7

Why is binominal systems of nomenclature universal?

Whenever you write these names, you have to (3)

Answer 7

Helps scientists who publish together from all over the world.

underline both names
or
italicize them

First letter of genus and species are always capitalized.