- Biodiversity hotspots are regions with high species richness and a high degree of endemism, making (A) true.
- However, there are 36 biodiversity hotspots worldwide, not 22, making (R) false.
A biologist surveyed islands of different sizes and consolidated the results in the form of the data given below. Study the data carefully and answer the questions that follow.
Based on data (Birds decline, Plants % decline, Area decline), interpret two reasons for change in the population of migratory birds. 

In an economy, exclusion of _______ may lead to under estimation of the value of Gross Domestic Product (GDP).
