what is meant by catalogues
Catalogues: It mentions lists of genera (i.e. genus) for all groups of organisms arranged in a hierarchy order, both living and fossil. The index pages show the number of genera and species in the groups.
What is meant by calorimeter. And what is meant by bomb calorimeter.
What is meant by human circulatory system? What is meant by the term"single circulation" and "double circulation "
What is meant by inpluse.