There are millions of different types of living things on Earth. In order to keep track of them all, scientists put living things into groups based on characteristics that they have that are the same.

Machine learning is the ability of a machine to improve its performance based on previous results. Machine learning methods enable computers to learn without being explicitly programmed and have ...

Activity 1 – Frog or toad? Activity 2 – Classify the animals Activity 3 – Classification keys quiz Activity 4 – Create a classification key Classification helps scientists to put living things into ...