Grade 7 - Dichotomous Keys

Grade 7 - Dichotomous Keys
Let's have fun!

1. awan

2. Dichotomous key is:
a tool that allows the user to determine the
identity of items in the natural world
"Dichotomous" means "divided into two
parts".
Therefore, dichotomous keys always give two
choices in each step.

4. A, B, C
ANIMALS
Has blue colored body Has dark blue colored body
Has 4 legs Has 8 legs
A, B C
Has
a tail
Doesn’t have
a tail
B A
Has ears
Doesn’t
have ears
D, F E
D, E, F
Has a pointy
hump
Doesn’t have a
pointy hump
F D

5. A, B, C
ANIMALS
Has blue colored body Has dark blue colored body
Has 4 legs Has 8 legs
A, B C
Has
a tail
Doesn’t have
a tail
B A
Has ears
Doesn’t
have ears
D, F E
D, E, F
Has a pointy
hump
Doesn’t have a
pointy hump
F D&
1'
2(
3
4)
5:
be a:
be a: be a:
be a:
be a

6. Please make a dichotomous key
The object is your friends
Submit your HW next meeting:
3 October 2013


7. Please make a dichotomous key
The object is your friends
Submit your HW next meeting:
3 October 2013
