Write the answer.
(a) Why is it necessary to classify living things?
(b) What are the criteria for classifying living things?
(c) Give two characteristics of non-flowering plants.
(d) Give the characteristics of herbs and give some examples.
(e) Which are the three ways of classifying plants?
(f) Which are different ways of classifying animals?
(g) What is it that protects the bodies of animals?
Give an example of a non-living thing that shows any two characteristics of living things.