BioD_Quiz2

Species losses and decline in biodiversity may be due to:
I: Extinction
II: Introduced species
III: Habitat loss & degradation
IV: Direct Exploitation

• I & II
• I, II & III
• II,III & IV
• all above

Habitat loss may be due to several reasons such as listed below EXCEPT:

• livestock farming
• shifting cultivation
• small holder farming
• wildlife food resources

'A scenario where the fatality of the population maintain / increase and low mortality rates occurs' explains which term?

• Population growth
• Deforestation
• Climate change
• Island scenario

Below are the benefit gained from Biological Diversity EXCEPT:

• Food Security
• Biosafety
• Economic benefits
• Social value

Which of the following animas involved in biological control of rat populations?

• owls
• bats
• weevils
• cat

Which listed below is not related to the Theory of Island Biogeography?

• Species death depend upon the size of the island
• Arrival depend upon distance of the mainland
• The total number of the species on the island is not balanced between arrival and death 
• New species arrive at the island from mainland and some of the  old species die for different reason

Introduced species is defined as introducing domesticated species to an area which it does not occur naturally

• True
• False

Islands far from mainland will have more species.

• True
• False

Climate change is often used to describe human -specific impact.

• True
• False

Protection of biological diversity is not very much critical in developing resistance to pest and diseases.

• True
• False