Answer :
Answer;
Key
A sorting device that is useful in classifying by observation is a key.
Explanation;
- Classification key or taxonomic key is a device that is used by scientists to identify unknown organisms.
- They are constructed so that the user gets a series of choices about the characteristics of the unknown organisms.Thus, by making the correct choice at each step, one is led to the identity of the specimen.
- Therefore, keys can be used to identify a living organism or determine which group it belongs to by answering questions on the key about characteristics of living things.
