Answer: Maintaining live wild animals for study and conservation.
- A Recording the chemical taxonomy of organisms studied
- B Identifying species mainly with a dichotomous key
- C Storing preserved and pressed plant specimens for reference
- D Maintaining live wild animals for study and conservation
Correct answer: D. Maintaining live wild animals for study and conservation
Explanation: Zoological parks (zoos) maintain live animals in a safe, protected environment, allowing the public to see them and researchers to study their biology and behaviour.
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.