19.1 - Population Demographics & Dynamics

Question 1

Population

Answer 1

Group of the same species determined by size and population

Question 2

Estimating Population size - Mark & recapture

Answer 2

(Sample 1 x Sample 2) / Marked Sample 2

Question 3

Species Distribution

Answer 3

Pattern distribution : Random, clumped, uniform

Question 4

Mortality Rate

Answer 4

( # dying / # survivor ) x 1000; rate

Question 5

Survivorship curve: Type l

Answer 5

High survival rates, then sharp decline at average old age; longest lifespan (k-selected)

Question 6

Survivorship curve: Type ll

Answer 6

Consistent survivorship rate due to constant pressure (k/r-selected)

Question 7

Survivorship curve: Type lll

Answer 7

Low survival rates, but those who survive live for a long time (r-selected)