Nature & science · Age 9 · Adaptations & Classification
Reading a Classification Key – Step by Step
Practice reading and following classification keys to correctly identify living things.
Module
Adaptations & Classification
Age
Age 9
Duration
10 min
Questions
5
What's in this exercise
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Question 1
Multiple choice
Using this key: Step 1 – Does it have a backbone? YES → go to step 2. Step 2 – Does it have feathers? YES → BIRD. What is an eagle?
Question 2
Multiple choice
A classification key asks: 'Does it have 6 legs?' You answer YES. The next question is: 'Does it have wings?' You answer NO. This organism is most likely a:
Question 3
Multiple choice
Why are yes/no questions better than open questions in a classification key?
Question 4
True or false
When using a classification key, each answer you give leads you to the next question or to an identified organism.
Question 5
Matching
Match each organism to the key feature used to identify it.