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WorksheetsClassification & Dichotomous Key Practice
Total questions: 15
Worksheet time: 26mins
arachnids and insects?
Identify the fish
Sebastes serriceps
Sebastes nebulosus
Naucrates ductor
Seriola lalandi
Leaf S (3RD LEAF)
Eastern white pine
balsam poplar
sweet gum
ginko
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger.
The student uses the dichotomous key below to identify it.
1. a) Abdomen segmented.............go to 2
b) Abdomen not segmented ......go to 4
2. a) Abdomen with tail....................go to 3
b) Abdomen without tail...............go to 5
3. a) Tail with stinger..........................Scorpion
b) Tail without stinger.....................Whip scorpion
4. a) Legs longer than body.............Daddy Long Legs
b) Legs not longer than body……….Wind scorpion
5. a) Covered with spines .......................Mite
b) Few spines.....................................Tick
Whip Scorpion
Daddy Long Legs
Mite
Tick
Which letter in the picture has two pairs of wings?
M
K
F
L
