These are regarded as major causes of biodiversity loss:
A. Over exploitation
B. Co-extinction
C. Mutation
D. Habitat loss and fragmentation
E. Migration
Choose the correct option:
List of endangered species was released by
Tropical regions show greatest level of species richness because
A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
B. Tropical environments are more seasonal.
C. More solar energy is available in tropics.
D. Constant environments promote niche specialization.
E. Tropical environments are constant and predictable.
Choose the correct answer from the options given below.
Match List I with List II
List - I | List - II | ||
---|---|---|---|
A. | Robert May | I. | Species-Area relationship |
B. | Alexander von Humboldt | II. | Long term ecosystem experiment using out door plots |
C. | Paul Ehrlich | III. | Global species diversity at about 7 million |
D. | David Tilman | IV. | Rivet popper hypothesis |
Choose the correct answer from the options given below: