AIM: What is Classifying?
AIM: What is classifying?
VOCABULARY:
Classification
Levels (tiers)
AIM: What is Classifying?
Objectives:
1. You will be able to explain why classification systems are important.
2. You will be able to demonstrate your understanding with a dichotomous key.
AIM: What is Classifying?
Question:
How many different types of music are there?
Rap, classic …
Country, heavy metal …
Rock, dance …
Hip hop, children’s …
AIM: What is Classifying?
Question:
Could you imagine shopping at a music store which did not separate their CD’s by type?
Or artist
But just left them in a pile!
AIM: What is Classifying?
IMAGINE:
Shopping at a shoe store where boys, girls, men, women’s and kids shoes were all mixed together?
Would it work?
Would you go back?
How are shoe stores typically classified?
AIM: What is Classifying?
Why do Scientists Classify?
To make things easier
To groups things
AIM: What is Classifying?
AIM: What is Classifying?
Classification:
1. organization into groups or categories.
2. Categorization of a population by common characteristics which the population has or does not have.
3. Make sure characteristics are observations and not inferences !
AIM: What is Classifying?
INSECTS
AIM: What is Classifying?
INSECTS
Those with wings
Those without wings
Two Two Group Group SystemSystem
AIM: What is Classifying?
INSECTS
Those with wings
Those without wings
Two Two Group Group SystemSystem
AIM: What is Classifying?
Animals
AIM: What is Classifying?
Animals
Animals with 4 legs
Animals with 2 legs
Three Group System
With no legs
AIM: What is Classifying?
Animals
Animals with 4 legs Animals
with 2 legs
Three Group System
With no legs
AIM: What is Classifying?
Animals
Animals with 4 legs
Animals with 2 legs With no legs
With Tail No Tail
wingsNo wings
gills No gills
3 groups
2 Levels
AIM: What is Classifying?
Animals
Animals with 4 legs
Animals with 2 legs With no legs
With Tail No Tail
wingsNo wings
gills No gills
3 groups
2 Levels
AIM: What is Classifying?
Animals
Animals with 4 legs
Animals with 2 legs With no legs
With Tail No Tail
wingsNo wings
gills No gills
3 groups
2 Levels
AIM: What is Classifying?
Animals
Animals with 4 legs
Animals with 2 legs With no legs
With Tail No Tail
wingsNo wings
gills No gills
3 groups
2 Levels
AIM: What is Classifying?
Insects
have wings
Wings fold over body
No wings
Wings don’t fold
Antennae No antennae
2 groups
2 Levels
AIM: What is Classifying?
Insects
have wings
Wings fold over body
No wings
Wings don’t fold
Antennae No antennae
2 groups
2 Levels
AIM: What is Classifying?
Insects
have wings
Wings fold over body
No wings
Wings don’t fold
Antennae No antennae
2 groups
2 Levels
AIM: What is Classifying?
INSECTS
Those with wings
Those without wings
You want to title each groups or level with descriptive observations – not just examples.
AIM: What is Classifying?
Class Activity
WS1 WS2
AIM: What is Classifying?
Homework:
INTERNET QUESTIONS
WRITE A PARAGRAPH SUMMARIZING
THE AIM USING THE VOCABULARY