Answer: Interbreeding individuals more similar to each other than to other groups.
- A A single reference specimen kept aside for comparison according to most studies
- B Interbreeding individuals more similar to each other than to other groups
- C Every organism living within a chosen geographic region in the majority of documented cases
- D A random sample of preserved specimens kept in a museum as widely reported
Correct answer: B. Interbreeding individuals more similar to each other than to other groups
Explanation: A species is often defined as a population of individuals with similar characters that can interbreed among themselves and produce fertile offspring, sharing greater resemblance to each other than to other populations.
The taxonomic hierarchy narrows from Kingdom (broadest, covering the most organisms but fewest shared traits) down to Species (narrowest, fewest organisms but most shared traits) - every level in between is a progressively more specific subset of the one above it.
Concept context
Biodiversity, taxonomy, binomial nomenclature, the taxonomic hierarchy, and taxonomic aids like herbaria and botanical gardens. The foundational first chapter of NCERT Biology.