As we go from Kingdom to Species, the number of common characteristics $ \dots $ and the number of species $ \dots $.

Try to collect all the currently accepted meanings for the word 'species'. Discuss with your teacher the meaning of species in case of higher plants and animals on one hand and bacteria on the other hand.

The study of which of the following is essential for agriculture,forestry,industries,and the conservation of bioresources and their diversity?

Which of the following forms a taxonomic category?

In the standard taxonomic hierarchy pyramid, what do the parts labeled $P$ (at the top) and $Q$ (at an intermediate level) represent respectively?

Brinjal and potato belong to the same genus $Solanum$,but to two different species. What defines them as separate species?