Reasons for maintaining biodiversity

Question 1

what are the 3 main areas for maintaining for biodiversity?

Answer 1

• ecological reasons
• economic reasons
• aesthetic reasons

Question 2

What are the ecological reasons?

Answer 2

• All species are part of the ecosystem
• provide habitat/niche for other organisms
• part of the food chain
• species are a genetic resource
• possible source of medicine

Question 3

What are keystone species?

Answer 3

• a specie that plays a vital role in maintaining ecosystem

Question 4

what happens if keystone species are removed?

Answer 4

• the ecosystem collapses

Question 5

what is it important to with keystone species?

Answer 5

• important to conserve these species

Question 6

what are the economic reasons?

Answer 6

• resources for non-medical reasons
• e.g. building materials (woods)
• ecotourism
• continous monoculture causes soil depletion
  
  • This will decrease yield
  • requires more fertilizers

Question 7

What are aesthetic reasons?

Answer 7

• species have an aesthetic value
• give pleasure
• worth protecting landscapes

Question 8

what are ethical reasons?

Answer 8

• species have the right to exist