Threats to Biodiversity - exam 2

Question 1

What are 7+ current major threats to global biodiversity?

Answer 1

Question 2

What are synergistic effects, and what is a good example of this among current biodiversity challenges?

Answer 2

Question 3

What is a trophic cascade? What are some examples?

Answer 3

also big-headed ants –> lions/zebras in africa

Question 3

What 6 factors are most threatening to biodiversity?
What group(s) of species are most threatened?

Answer 3

Question 4

What areas of the US and the world are most biodiverse and most threatened? Why?

Answer 4

Question 5

Which biomes are the most and least threatened with extinction of their species? Why?

Answer 5

Question 6

Answer 6

Question 7

Explain habitat generalists and habitat specialists? Which are more vulnerable to extinction?

Answer 7

Question 8

What are 3 broad categories of species that are at greatest risk of extinction?
What are 10 other predictors of extinction vulnerability? Why?

Answer 8

Question 9

What is the IUCN?
What is the IUCN Red List?
* when was it created?
* what are its 9 categories and how is the decision tree structured to put species in these categories?
* what 3 general evaluation criteria are used?

Answer 9

Question 10

What is the Blue List?

Answer 10

Question 11

What is Natureserve and what organization supports it?
What is unique about its ranking beyond just threatened species?
What are its 5 ranking criteria?

Answer 11

Question 12

What are the 4 steps of a systematic way to tackle threats to biodiversity?

Answer 12