WorksheetsDichotomous Key
Total questions: 10
Worksheet time: 30mins
The tool used by a taxonomist to identify an unknown organism is a ___________ ___________.
dichotomous key
binomial nmenclature
scientific name
binomial key
Given the illustration and a dichotomous key. What is the correct classification for this organism?
Class Insecta
Order Amblygygi
Order Araneae
Order Scorpiones
Given the table of arachnid and insect characteristics, which characteristic could be used to distinguish between arachnids and insects?
Jointed legs
Body segments
Presence of eyes
Presence of antennae
Hikers found a tree that has large brown cones and single sharp needles. Given a dichotomous key for trees, what species of tree have the hikers found?
Juniper
Pine
Spruce
Fir
Given the illustration and dichotomous key, what is the name of bird W?
Certhidea
Geospiza
Camarhynchus
Platyspiza
Given the illustration and dichotomous key, what is the name of bird Z?
Certhidea
Geospiza
Camarhynchus
Platyspiza
Using this dichotomous key, identify the name of the circled Fish, J.
peacock flounder
band-tail puffer
trumpet fish
spotted goat fish
Using this dichotomous key, identity the name of the circled fish, B.
band-tail puffer
spotted goat fish
peacock flounder
trumpet fish
Given a dichotomous key, to what order does an insect with two pairs of scaly wings belong?
Coleoptera
Heteroptera
Diptera
Lepidoptera
