Question

What is a species?

• A. A basic unit in the phylogenic history of living organisms
• B. A group of related populations from evolutionary point of view
• C. A basic category containing most of the taxonomic information
• D. A population of similar characteristics which forms evolutionary basis of variation

Answer 1

Answer: (D)

Species is the smallest unit of taxonomic hierarchy, which consists of group of similar organism capable of interbreeding freely in nature to form fertile offsprings. It brings about variation necessary for evolution.