Question
Biodiversity means-
- Number of a definite species in a region
- Number of all species in a region
- Number of all animals
- Number of all plants.
Answer
(b) Number of all species in a region
Explanation:
Biodiversity means the variety of all living organisms on Earth, including the diversity of species, genes, populations, and ecosystems. So, the correct option is “Number of all species in a region.”