Biodiversity is

  1. the mass of all plants
  2. the number of different species in an area
  3. the size of a habitat
  4. the number of individuals of one species
Answer

B) the number of different species in an area

Definition of biodiversity. O Level Biology · Topic 19 Relationships of Organisms with One Another and with the Environment · 19.3 Ecosystems and biodiversity

Biology MCQ · More O Level Biology: Organisms and the Environment MCQs · Practise