Question

Define biodiversity,

Answer 1

the variety of plant and animal life in the world or in a particular habitat, a high level of which is usually considered to be important and desirable

Answer 2

Biological diversity means the variability among living organisms from all sources including, inter alia, terrestrial, marine and other aquatic ecosystems and the ecological complexes of which they are a part; this includes diversity within species, between species and of ecosystems.