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WorksheetsDichotomous Keys Quiz
Total questions: 11
Worksheet time: 14mins
Name
Class
Date
1.
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
2.
What is the name of bird W?
a)
Certhidea
b)
Geospiza
c)
Camarhynchus
d)
Platyspiza
3.
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
4.
What step do we always start with when using dichotomous keys?
a)
1
b)
2
c)
3
d)
4
5.
When using a dichotomous key to identify organisms, what do we look at?
a)
physical features
b)
weather patterns
c)
environment
d)
diet
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.
Which letter in the picture has two pairs of wings?
a)
M
b)
K
c)
F
d)
L
8.
Which leaf is shown in the drawing?
a)
Magnolia
b)
Redbud
c)
Sweetgum
d)
None of the above
9.
Which shark is the picture of?
a)
Cow Shark
b)
Great White Shark
c)
Hammerhead Shark
d)
Saw Shark
10.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to see what organisms eat
d)
to identify organisms
11.
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between
arachnids and insects?
arachnids and insects?
a)
Jointed legs
b)
Body segments
c)
Presence of eyes
d)
Presence of antennae
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