Biodiversity includes diversity within species, between species and of ecosystems.

Q. Biodiversity is the variety of life including all species of plants, animals and micro-organisms and the ecosystems within which they live and interact.

Q. Q. Consider the following statements with regard to measurement of biodiversity:Which of the statements given above is/are correct?

1. 
   3 only
2. 
   1 and 2 only
3. 
   1, 2 and 3
4. 
   1 only

Q. Consider the following pairs:

1. Alpha Diversity: Number of species in an ecosystem.
2. Beta DIversity : Amount of species change between ecosystems.
3. Gamma Diversity: Overall diversity within a large region

Which of the above is/are correctly matched?