There are millions of types of living things in the world - we can only estimate how many plants, animals and other creatures are alive today.
To help us understand this number of different of life-forms, we organise them into groups, like 'the animals' or 'the plants'.
This is called classification, and that's what Animal ID is all about: classifying living things.
Find out more about classification and answer the questions below
Quiz: how much do you know about life processes?
All living animals eat, drink, respire, excrete, move, grow and reproduce. Try Mrs Nerg's quiz designed to test your knowledge of the seven life processes.