Question

Biodiversity refers to

• A. Only plant diversity
• B. Only animal diversity
• C. Variety of life forms at genetic, species, and ecosystem levels
• D. Population growth in ecosystems

Hint:

Logic Tip: "Bio" means life, and "Diversity" means variety. So, it means the variety of ALL life, in EVERY possible way it can be measured (genes, species, and whole ecosystems).

Answer 1

The Correct Option is C

Concept:
"Biodiversity" is a portmanteau of "biological diversity." It is the most comprehensive term used to describe the total variety and variability of life on Earth.

Step 1: Options (A) and (B) restrict the definition to just plants or just animals. Biology encompasses much more than that (fungi, bacteria, archaea), making these options far too narrow.

Step 2: Option (D) describes the rate at which a specific species multiplies, which is a demographic metric, not a measure of variety.

Step 3: True biodiversity is measured across three distinct interconnected levels: 1. Genetic diversity: The variety of genes within a single species (why some humans have blue eyes and others brown). 2. Species diversity: The variety of different species within a region (lions, zebras, and acacia trees in a savanna). 3. Ecosystem diversity: The variety of different habitats and ecological processes on the planet (deserts, rainforests, coral reefs).

Step 4: Therefore, option (C) perfectly captures the full, multi-layered scientific definition of biodiversity.