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WorksheetsQuiz: dichotomous key
Total questions: 15
Worksheet time: 12mins
Name
Class
Date
1.
Which leaf is shown in the drawing?
a)
Magnolia
b)
Redbud
c)
Sweetgum
d)
None of the above
2.
Identify leaf F
a)
Cydonia
b)
Magnolia
c)
Aesculus
d)
Fraxinus
e)
Ilex
3.
Why do scientists use dichotomous keys?
a)
To arrange organisms based on habitat
b)
To determine evolutionary history
c)
To identify different organisms
d)
To analyse feeding habits
4.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
5.
Which of the following organisms is M. erminea?
a)
A
b)
B
c)
C
d)
D
e)
E
6.
Based on the dichotomous key, which bird is Certhidea? (Slender = thin; stout= round)
a)
Bird W
b)
Bird X
c)
Bird Y
d)
Bird Z
7.
Identify the plant shown
a)
A
b)
B
c)
C
d)
D
8.
What class of vertebrates does organism T belong to?
a)
Amphibians
b)
Birds
c)
Fish
d)
Mammals
9.
a)
A
b)
B
c)
C
d)
D
10.
a)
A
b)
B
c)
C
d)
D
11.
From the table, which two animals are MOST CLOSELY related
a)
House Cate and Red Fox
b)
Red Fox and Dog
c)
Dog and Wolf
d)
Wolf and Gopher
12.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
13.
A dichotomous key for trees is provided. Hikers found a tree that has large brown cones and single sharp needles. What species of tree have the hikers found?
a)
Juniper
b)
Pine
c)
Spruce
d)
Fir
14.
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
a)
Coleoptera
b)
Heteroptera
c)
Diptera
d)
Lepidoptera
15.
Using this dichotomous key, identity the name of the circled fish.
a)
band-tail puffer
b)
spotted goat fish
c)
peacock flounder
d)
trumpet fish
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