Population Dynamics Quiz 5

Ecosystem 
Problem set I

Ecology Test 
Test 1   Test 2
Test 3   Test 4
Test 5   Test 6
Test 7   Test 8
Test 9   M/C 

Energy Calculation 
Quiz 1   Quiz 2

Human Ecology  
Quiz 1   Quiz 2
Quiz 3   

1. Determine the annual percent growth rate of people in Canada given the following data:
   between 1980 and 1987 the population grew from 34 300 100 to 83 000 200
   
2. If 6 centipedes were found in an area 10 cm x 10 cm, how many centipedes might be found in a 0.5 m2 area?
   
3. Determine the total caribou population size in a park in Quebec. Two hundred animals were captured and marked and then released. After 2 weeks, 600 animals were captured, 53 of which had the mark from the original two hundred.
   
4. A population of red-winged blackbirds is growing in an exponential fashion. The average number of offspring is 3. Determine the size of the population after 14 generations have elapsed.
   
5. There are 18 daisies in a 0.25 m2 area.
   How many daisies might there be in a 1 m2 area?
   
6. Determine the doubling time for the giraffe population if the average giraffe lifespan is considered to be 45 years and the annual percent growth rate is 0.15 %.
   
7. What is the doubling time for a population of zebra mussels if the average lifespan of a mussel is 3 months and the annual percent growth rate is 2.2 % ?
   
8. Determine the annual percent growth rate for a population of sea lions if the herd increased in size from 32 000 in 1989 to 53 300 in 1991.