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Keys are used to help to identify something. They are really useful when studying habitats as there are so many plants and animals that students (and teachers!) don't know the name of. Keys help to find out the name of the organism.
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There are two main sorts of keys:
SPIDER KEYS use a branching system like this:
CLUE KEYS use clues to help find the name, like this:
| Clue 1: | If the flower is yellow | go to Clue 2 |
| If the flower is not yellow | go to Clue 4 |
and so on.
In the following questions, use the keys to try to identify the object. You will also be asked to use the key to find the name of the object using clues about it, given in the key.
