Answered: - BIO 111: Evolution Lab Virtual BioMotion Lab Directions: 1. Use

Please help me figure out this homework, I have answered a few question but I am not sure if I am doing this right. ?I am attaching the document with the questions and the link to the lab. ?Any help is greatly appreciated, thanks in advance!?

Link: ?http://biologyinmotion.com/evol/index.html

BIO 111: Evolution Lab

 

 

Virtual BioMotion Lab

 

 

Directions:

 

1. Use the arrow buttons at the top left corner to advance. Read each screen thoroughly. When needed

 

use the HELP button.

 

2. Read the Background screen and then the Introduction.

 

3. The Go buttons start the evolving of the organisms.

 

4. Be sure volume is on and the Sound is on for the program, left corner above the grabbers.

 

 

Define the following by using the Help Button:

 

1. Frequency

 

2. Phenotype

 

3. Mean Phenotype

 

4. Mutations dial5. Describe what the Line/Bar graph displays

 

6. On the graph, what do each of the lines represent? Black, Red, Green and Blue

 

7. Go One cycle

 

8. Go to Cycle 55

 

9. Selection Strength

 

10. Mutation Rate

 

11. Hunger level

 

12. Blue Grabbers

 

13. Maximum reach (yellow blocks)

 

14. Red line in the Maximum Reach area ?

 

Running the Simulation

 

1. With the existing settings, push the ?Go one cycle,? note the data on the screen: Bar Graph on top left

 

corner (phenotype); look at data, Mean Phenotype and Mutations

 

2. Fill in Table Simulation 1; Length of Grabber is where the number of individuals with each length in

 

the population is recorded for the cycle.

 

3. Push the ?Go one cycle? for the first 10 cycles and then use the ?Go for the 15.? Follow the chart and

 

fill in the data. Clicking on the ?Data? tab gives the number of the population with a Grabber length of

 

one, two, three and four (in that order)

 

4. At the end of Cycle 250, click ?Print? and chose pdf creator. Save the Graph on computer and it can

 

be copied onto this lab document using the ?Snipping Tool?

 

5. Begin Simulation 2; Click the Reset button and then the Settings Button, change the Mutation Rate.

 

Run the simulation and fill in Table Simulation 2. Answer Questions #1 and #2.

 

6. Save the Graph for Simulation 2 and place it in the Data section.

 

7. Click the Settings Button and change the ?Selection Strength.? Answer question #3.

 

 

8. Try different combinations of Mutation Rate and Selection Strength to see how they interact. Answer

 

question #4.

 

9. Run a simulation choosing a certain Mutation Rate and Selection Strength. Run this same simulation

 

several times (this means more than two times)! Answer Question #5.

 

10. Lastly, set the Selection Strength to zero and run the simulation several times noting the changes.

 

Answer question #6

 

Data:

 

Simulation 1

 

Cycle #

 

 

Length of

 

Grabber

 

 

1

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

15

 

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25

 

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35

 

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55

 

60

 

65

 

70

 

75

 

80

 

85

 

90

 

95

 

100

 

150

 

200

 

225

 

250

 

Graph For Simulation 1:

 

 

Mean

 

Phenotype

 

 

2

 

 

3

 

 

4

 

 

Mutations

 

Up\Down

 

 

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Table for Simulation 2

 

Cycle #

 

 

Length of

 

Grabber

 

 

1

 

1

 

2

 

3

 

4

 

5

 

6

 

7

 

8

 

9

 

10

 

15

 

20

 

25

 

30

 

35

 

40

 

45

 

50

 

55

 

60

 

65

 

70

 

75

 

80

 

85

 

90

 

95

 

100

 

150

 

200

 

225

 

250

 

 

Graph For Simulation 2:

 

 

Mean

 

Phenotype

 

 

2

 

 

3

 

 

4

 

 

Mutations

 

Up\Down

 

 

\

 

\

 

\

 

\

 

\

 

\

 

\

 

\

 

\

 

\

 

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Questions:

 

1. At what cycle did the mean phenotype seem to reach a plateau for Simulation 2?

 

2. How much variation remained in the population after the point of the plateau in Simulation 2?

 

3. How many cycles did it take to reach a plateau?

 

4. In what ways do the parameters for Mutation Rate and Selection Strength have similar effects on the

 

results? In what ways do they have opposing effects?

 

5. After running the same simulation several times; How much variation is seen from one simulation trial

 

run to the next? Describe the number of Up vs. Down mutations. Do the results of each repeated

 

trial depend on which of these numbers is greater?

 

6. After running the simulation with Selection Strength at zero, run the simulation several times. Is

 

there any consistency in the results? Should there be?

 

 



 

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