WorksheetsDichotomous Keyss
Total questions: 13
Worksheet time: 10mins
Name
Class
Date
1.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
2.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
3.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
4.
How many options should every branch in a dichotomous key have?
a)
1
b)
2
c)
3
d)
4
5.
Tool used by a taxonomist to identify an unknown organism is a:
a)
dichotomous key
b)
binomial nmenclature
c)
scientific name
d)
binomial key
6.
An illustration and a dichotomous key are given. What is the correct classification for this organism?
a)
Class Insecta
b)
Order Amblygygi
c)
Order Araneae
d)
Order Scorpiones
7.
What is the name of bird Z?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
8.
What is monster # 1 ?
a)
Alienus quadlegicus
b)
Alienus haircus
c)
Alienus Tritoothicus
d)
Alienus Blobicus
9.
What is monster # 3 ?
a)
Alienus Fuzzicus
b)
Alienus Stripicus
c)
Alienus Tritoothicus
d)
Alienus Blobicus
10.
What is monster # 4 ?
a)
Alienus Fuzzicus
b)
Alienus Stripicus
c)
Alienus Quadlegicus
d)
Alienus Blobicus
11.
What is monster # 2 ?
a)
Alienus Fuzzicus
b)
Alienus Stripicus
c)
Alienus Tritoothicus
d)
Alienus Blobicus
12.
What is monster # 5 ?
a)
Alienus Fuzzicus
b)
Alienus Tritoothicus
c)
Alienus Hairicus
d)
Alienus Blobicus
13.
What is monster # 6 ?
a)
Alienus Stripicus
b)
Alienus Tritoothicus
c)
Alienus Hairicus
d)
Alienus Quadlegicus
100 %
