Biodiversity an...

All of the following can affect biodiversity, except

Beta $$(\beta)$$ diversity refers to diversity

Threatened and endangered species are being protected in which of the following ways?
I.   Captive breeding
II. Wildlife refuges
III. Laws and regulations

Polar bears are just one species whose biodiversity has been affected by human activities. Which of these is the greatest threat to the polar bears? 

Biodiversity is being conserved in a variety of ways. Which of these is a way in which biodiversity is currently being conserved?
 I.  Preserving habitats
II.  Introducing non-native species
III. Protecting populations

Given below is the representation of the extent of global diversity of vertebrates. What groups does the portions represent?

Which is accepted by researchers as a level of biodiversity?

Kokkarebellur Bird Sanctuary is noticed in

Select the correct statement about biodiversity.

Extinction of biodiversity is caused by the habitat degradation, fragmentation, over-harvesting and introduction of new species, described as