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The practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population is called _____.

• biomagnification
• overexploitation
• edge effects
• natural resource

The Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES) and the Convention on Biological Diversity are examples of

• organizations that promote poaching.
• polls measuring American opinion about biodiversity.
  
• treaties to protect biodiversity.
• laws to increase the number of species

The term Biodiversity hotspots mean _________

• Regions with high levels of species richness and endemism.

• Regions with hot thermal springs and rivers

• Spots on one species of frog, that makes our skin burn if touched.

The approach of conservation, where the whole ecosystem is protected , in order to conserve the biodiversity at all levels is called as _____approach.

• In situ conservation

• Ex situ conservation

The approach of conservation, where the whole ecosystem is protected , in order to conserve the biodiversity at all levels is called as _____approach.

• In situ conservation

• Ex situ conservation

Deserts. rain forests. mangroves. coral reefs, wetlands,

estuaries and alpine meadows can be employed to describe

• Genetic diversity

• Species diversity

• Ecological diversity

• All of the above

Term Biodiversity was popularized by

• Paul Ehlrich

• David Tilman

• Edward Wilson

• Robert May

Biodiversity loss occurs due to –

A. Habitat loss and fragmentation

B. Co-extinction

C. over-exploitation

D. Alien species invasion.

• A, B

• A, B, C

• B, C, D

• A, B, C, D

The characters of a stable community –

A. It shall not show too much variations in year to-year productivity.

B. It must be either resistance or resilient to seasonal disturbance.

C. It must be resistant to invasion by alien species.

D. None

• A, B

• A, B, C

• B, C

• D

Water pollution that occurs when substances rich in nitrogen and phosphorous flow into waterways which causes a dense growth of plant life and death of animal life from lack of oxygen.

• endemication

• oligiotrophication

• eutrophication

• suffocation