Project #38280 - lab

 

Part 1. Answer the 3 questions with at least 60 words or more. No plagiarism

 

    • 1. We are talking about evolution this week, and I thought this news article was really interesting.

 

 

 

http://www.sciencedaily.com/releases/2014/08/140818135132.htm

 

 

 

What does this tell you about evolution?  Do you think it is a valid article? Why or why not?  How does it relate to our classroom readings?

 

 

 

    • 2. Imagine that you are a marine biologist. As part of your exploration, you

 

dredge up an unknown animal from the seafloor. Describe some of the

 

characteristics you should look at to determine the phylum to which the

 

creature should be assigned

 

 

 

    • 3. This video is excellent and talks about the importance of biodiversity, and how one animal can change the entire ecosystem.

 

 

 

https://www.youtube.com/watch?v=ysa5OBhXz-Q

 

 

 

Summarize the video.  What does it say about biodiversity?  Extinction and endangered species?

 

 

 

 

 

PART 2. Use website right below to answer the question. use 60 words or more to answer each question.

 

 http://media.pearsoncmg.com/bc/bc_campbell_essentials_5/process_qz/01A/index.html

 

 

 

 

1

What role does genetics play in the variation seen in this leafhopper population?

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

2

Note the results from the 20th generation under global warming conditions. Before continuing with the 30th generation, predict the population composition of the 30th generation.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

3

What happened to the proportion of each type of leafhopper in subsequent generations under global warming conditions? Suggest a reason why the traits of the 30th generation make this population better adapted to its altered environment.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

4

Why would you expect a change in predators to cause a difference in the types of leafhoppers being selected?

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

5

Note the differences between the parental, 10th and 20th generations when the predator changed from a bird to a snake. What evidence supports the view that leafhopper size is not affected by a change in predators?

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

6

What happened to the proportion of each type of leafhopper in subsequent generations when the predator changed from a bird to a snake? Suggest a reason why the traits predominant in the 30th generation make this population better adapted to the change in predators.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

7

Describe some human activities around your school that could have influenced the natural vegetation in the area.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

8

Note the differences between the parental and the 30th generations. What happened to the proportion of each type of leafhopper when the vegetation changed? Suggest a reason why the traits of the 30th generation make this population better adapted to its altered environment.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

9

Identify some major sources of pesticides in your area.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 
     

 




 

     
 

10

What happened to the proportions of leafhoppers in each subsequent generation when pesticides were added to the environment? Explain why all the leafhoppers were not killed by the pesticide application.

 

To create paragraphs in your essay response, type <p> at the beginning of the paragraph, and </p> at the end.

 

 

 

 

Subject Science
Due By (Pacific Time) 08/21/2014 11:00 pm
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