You can categorize every single living being. This classification system allows scientists to study plant and animal diversity and to group closely related species. From horses to insects to worms, ...

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 ...

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.