quiz 4 ch 9

Question 1

when plant size increases the population density

Answer 1

decreased

Question 2

tree size underlying details

Answer 2

tree seedling live at high densities.
when trees grow the density declines.
low densities when there are mature trees due to self-thinning.

Question 3

factors for commonness classifications by Rabinowitz

Answer 3

geographic range of sp which can be extensive or restricted.
habitat tolerance can be broad or narrow.
local population size can be large or small.

Question 4

factor of commonness that make populations LEAST threatened by extinction

Answer 4

extensive geographic range.
broad habitat tolerance.
some large local populations.

Question 5

any other commonness combos can lead to

Answer 5

extinction due to rarity

Question 6

Peregrine falcon rarity

Answer 6

extensive range
broad habitat tolerance
small local population

Question 7

passenger pigeon rarity

Answer 7

extensive range
large population
narrow habitat tolerance

Question 8

california condor rarity

Answer 8

restricted range
narrow habitat tolerance
small population