SC1_Classification Video Notes Flashcards
Historical Systems of Classification Dichotomous Keys Classify Organisms
Aristotle was a ________, and lived when: _____
Greek Philosopher / 384-322 BC
Aristotle made first attempts at _______ Organisms.
Classifying
Aristotle classified organisms based on ________
Observable Characteristics
Many of the terms (words) that Aristotle used are NO Longer __________
Accurate
Linnaeus was a __________ biologist (Nationality), and lived when __________
Swedish / 1707-1778
Linnaeus was considered the Father of _________
Taxonomy
Taxonomy is the Study of __________
Classifying Organisms
A person that Classifies Organisms, is call a _______
Taxonomist
Linnaeus classified organisms based on their: ________ and _________ Characteristics.
Similar and Different
Linnaeus did not use ________ _________, He did however use this method for naming organisms: ________ ___________.
Common Names / Binomial Nomenclature
Why won’t “Common Names” work?
There are too many common names for the same organism:
Example: Wood Chuck / Whistle Pig / Ground Hog
“Common Names” can also be: ___________
Misleading
Example: a Rhinoceros Beetle is not related to a Rhinoceros.
Define: Binomial Nomenclature
a two word naming system
How many words are used to describe an organism in a Binomial Nomenclature system?
two
The First Word of the organism in a Binomial Nomenclature System, is the _________, and it is always ___________
Genus / Capitalized
example: Homo (is the Genus)
Together, The two words of a Binomial Nomenclature name is called the: _________, and is NOT __________
Species / Not Capitalized
Example: Homo sapien (is the species)
Current Day Classification: Is SIMILAR to the way Linnaeus, because we still use the _________ ________ system
Binomial Nomenclature
Current Day Classification: is DIFFERENT from Linnaeus, because scientists now, also use: _________ in ______ and ______, along with the organisms ___________ __________, to classify organisms.
Similarities in DNA and Proteins, along with the organisms Observable Traits.
Using Dichotomous Keys, Each step in a key has exactly ______ choices.
2
Using Dichotomous Key, You should use choices that _______ all organisms.
List a Good Example and a Bad Example
Why is the Bad Example, Bad?
Include
good example: “Red” and “Not Red”
bad example: “Red” and “Green”
What happens if you find a “Blue”, you cannot classify it using your “Red” and “Green” Key.
List the Classification Hierarchy using:
Distinguished, Kings, Pay, Cash, Only, For, Good, Stuff.
or
Dirty, Kicking, Ponies, Can, Only, Fart, Going, Slowly
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
