APES Sustaining Biodiveristy

The IUCN's Red List is:

• a list of unidentified species
• a list of known exotic species
• a list of species facing a risk of extinction
• a list of ecologically damaged ecosystem

Removal of which of the following will result in the greatest change(s) in an ecosystem?

• indicator species
• keystone species
• foundation species
• threatened species

A species of lizard has gone extinct. This could be due to any reason EXCEPT:

• increased genetic diveristy within the species
• inbreeding
• climate change
• habitat destruction

Clear-cutting:

• restricts timber harvesting to mountaintops
• removes all trees from a widespread area
• involves elimination of subsidies to logging companies
• is a form of violent protest favored by radical environmental organizations

Which is NOT a trait of a successful invasive species?

• long lived
• high dispersal rate
• specialists
• short generation time

Select the statement that is NOT a reason why protecting marine biodiversity is difficult. 

• human eco footprint is expanding
• much of the damage is not visible to most people
• much of the global ocean area lies outside the boundaries of any country
• there is no scientific understanding of what needs to be done

Which of the following is the best long-term method of preventing extinctions?

• breeding endangered species in captivity
• protecting the habitats of endangered species
• providing food to endangered species in the wild
• removing predators from areas that contain endangered species

Which method has the most destructive effects on the seafloor?

• dredging
• gill nets
• purse seines
• traps & pots

Pangolins are illegally hunted, decreasing the population. Their scarcity makes them more valuable, so hunting increases. This is a(n):

• negative feedback loop
• mutualistic relationship
• positive feedback loop
• commensalistic relationship

Tropical rainforest deforestation results from all of the following EXCEPT:

• subsistence farmers trying to grow food to survive 
• establishment of vast plantations for soybeans and palm oil
• gov't taxes on timber harvesting
• poverty