Species are considered as real basic units of classification.
In biology, among the major taxa in the taxonomic hierarchy, a species is one of the basic units of biological classification. A species is defined as the largest group of organisms capable of interbreeding and producing fertile offspring. As they share more common characters, they form the lowest basic unit of classification. The species have a real existence making the most suitable answers amongst the provided options.
Also Read: Diversity in Living Organisms
AB is a part of an electrical circuit (see figure). The potential difference \(V_A - V_B\), at the instant when current \(i = 2\) A and is increasing at a rate of 1 amp/second is: