WorksheetsDichotomous key Quiz
Total questions: 8
Worksheet time: 5mins
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
Juniper
Spruce
Pine
fir
A table of arachnid and insect characteristics is shown. Which characteristic could be used to distinguish between arachnids and insects?
Jointed legs
Jointed legs
Presence of eyes
Presence of antennae
Which of the following characteristics will most likely be helpful in identifying a butterfly using a dichotomous key?
Migrates north every spring
Wings have long extensions
flutters wings fast on hot days
hangs on branches
A dichotomous key for insects is given. To what order does an insect with two pairs of scaly wings belong?
Lepidoptera
Diptera
Heteroptera
Coleoptera
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key belo
h
Scorpion
Daddy long legs
Whip Scorpion
An illustration and a dichotomous key are given. What is the correct classification for this organism?
Class Insecta
Order Amblygygi
Order Araneae
Order Scorpiones
What step do we always start with when using dichotomous keys?
1
323
2
4
A botanist discovers a new plant in the jungle. Which of thefollowing observations of the plant’s characteristics would be useful in determ
It was discovered in the summertime
It is wet from a recent rain storm.
Its leaves curl up on the edges.
It is eaten by native jungle ants.
