Question

Species are considered as

• A. Real units of classification devised by taxonomists
• B. Real basic unit of classification which can produce fertile offspring
• C. Artificial concepts of human mind, which cannot be defined in absolute terms
  
• D. None of these

Answer 1

The correct option is B Real basic unit of classification which can produce fertile offspring

• In biology, a species is one of the basic units of biological classification and a taxonomic rank. A species is often defined as the largest group of organisms capable of interbreeding and producing fertile offspring. As they share more common character it is the basic unit of classification.

Thus, the correct answer is option B.