Con Bio Exam #2

Question 1

Extinct

Answer 1

no member of a species is alive anywhere in the world

Question 2

Extinction

Answer 2

the death of a species (determined after not seeing a species for 25 years)

Question 3

What caused the extinction of dodo birds

Answer 3

Human interactions, using their feathers and them as a food resource, introducing new species

Question 4

Ecotourism

Answer 4

scenically beautiful sites

Question 5

why does a larger island have lower extinction rates

Answer 5

greater habitat complexity, more niches to be filled, less competition

Question 6

why does a smaller island have higher extinction rates

Answer 6

more competition for resources, smaller population sizes

Question 7

What kinds of species are vulnerable to extinction

Answer 7

Endemic and rare species

Question 8

what is a species that has a very high chance of going extinct in the immediate future

Answer 8

Critically endangered species

Question 9

what is a species that have a likelihood of going extinct in the near future

Answer 9

Endangered species

Question 10

what is a species that may become endangered in the near future because of its decreasing population

Answer 10

Vulnerable (threatened) species

Question 11

how much of TRF have we lost so far

Answer 11

half, at a rate of 2% per year