Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
Pop. Ecology LT 1­8 Formative
Grade: «grade»
Subject:Science
Date:«date»
Jan 10­3:54 PM
1
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
1 Population change that is limited not only by birthrate but also by resources.
A limiting factor
B carrying capacity
C logistic growth
D exponential growth
Jan 10­4:00 PM
2
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
2 A characteristic or event that restricts a population once the population gets large.
A density independent B density dependent
C emigration
D carrying capacity
Jan 10­4:01 PM
3
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
3 The hare population declines due to a large lynx population.
A density independent
B density dependent
Jan 10­4:02 PM
4
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
4 A new hunting regulation is enacted to reduce the number of deer that can be killed by hunters each season.
A density independent
B density dependent
Jan 10­4:04 PM
5
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
5 A random sample was done to estimate the size of a pine tree population in a 3 x 3 square mile area. Calculate the mean of the sample.
29
30
16
Jan 10­4:09 PM
6
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
6 A random sample was done to estimate the size of a pine tree population in a 3 x 3 square mile area. Estimate the size of the pine tree population based on the mean of the sample.
29
30
16
Jan 10­4:10 PM
7
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
7 Ten rabbits were trapped and marked and released back into the wild. Later over a period of 3 months, 45 rabbits were captured of which 10 had marks. Estimate the population size of the rabbits.
number captured * number marked
number recaptured with mark
Jan 10­4:11 PM
8
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
8 Ten black bears were trapped and marked and released back into the wild. The following year, 30 bears were captured of which 15 had marks. Estimate the size of the bear population.
number captured * number marked
number recaptured with mark
Jan 12­10:21 PM
9
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
9 The carrying capacity of the Trout population in Box Lake is approximately
400
B 200
C 250
D 300
population
A 150
300
200
100
0
1
2
3
4
5
6
7 8
generation
Jan 12­10:54 PM
10
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
10 Predict the outcome if the trout food sources are in decline (decreasing).
A carrying capacity of the trout will increase.
B Carrying capacity of the trout will stay the same
C Carrying capacity of the trout will decrease.
Jan 12­10:59 PM
11
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
11 This graph represents which type of growth?
A exponential growth
B logistic growth
Jan 12­11:00 PM
12
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
12 Which of the following is true about the time interval marked D on the graph?
D
A carrying capacity has been reached
C
B population is growing
B
C population is decreasing
A
D emigration is greater than immigration.
Jan 12­11:07 PM
13
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
13 Which of the following conditions tends to decrease the size of a population?
A more immigration than emigration
B more emigration than immigration
C higher death rates than birth rates
Mu
An ltip
sw le er
D higher birth rates than death rates
Jan 12­11:13 PM
14
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
14 What would happen to the population if birth and death rates are equal but there is more immigration than emigration?
A population would increase
B population would stay the same
C population would decrease
Jan 12­11:16 PM
15
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
15 If the death rate is less than the birth rate, what would happen to the population?
A increase
B stay the same
C decrease
Jan 12­11:17 PM
16
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
16 Which bacteria population handles competition for food better?
P. Aurelia
P. Caudatum
Both A P aurelia
B P caudatum C Both compete equally Jan 12­11:23 PM
17
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
17 Which bacteria grows better alone?
A P. Aurelia
B P. Caudatum
C both grow equally
P. Aurelia
P. Caudatum
Jan 12­11:26 PM
18
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
18 When the rabbit population peaks, predict what will happen to the fox population in the near future.
A It will increase
B It will stay the same
C It will decrease
Jan 12­11:30 PM
19
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
Answers to questions 1­18
1. C
10. C
2. B
11. A
3. B
12. A
4. A
13. B and C
5. 25
14. A
6. 225
15. A
7. 45
16. A
8. 20
17. A
9. C
18. A
Jan 15­5:11 PM
20
Population Ecology LT 1 thru 8 Formative Assessment with Answers.notebook
January 15, 2014
Jan 12­11:31 PM
21