How to study :'Diversity in the Living World" at ease?

As we know that there has been a lot of variations from microscopic to macroscopic, acellular to cellular, unicellular to multicellular, and variations within the organic empire all over the earth. This is what all we know biodiversity. This is very important to know so that we could know the relationships among the biospheric elements and their extinctions and existence, past to present.

As we know there have been innumerable creatures in this world, both plants and animals. Besides this other kind of creatures also. Students have to both identify and differentiate them. Here comparative studies help a lot in keeping specific facts about different groups of creatures, Once we know separately the features of different organisms, the second step lies in preparing charts showing similarities and differences.