Introduction
This webquest will explore the differences between sexual and asexual reproduction. You will also take alook at how different species reproduce sexually and asexually.
You will:
- Discuss the results of asexual reproduction: offspring that are genetically identical to their single parent
- Discuss the results of sexual reproduction: offspring that are genetically different from both of their parents
- Consider the evolutionary advantages of the genetic variation that comes from sexual reproduction
- Learn that complex strategies that ensure successful reproduction have evolved over thousands and sometimes millions of years
Task
You will write an essay to address the following questions. WRITE IN COMPLETE SENTENCES. You cannot answer these questions with only one word. WHEN POSSIBLE USE EVIDENCE FROM YOUR TEXT. As always, grammar and spelling counts. There is no minumum length for this essay. It is complete when you have addressed all of the questions.
1.) What are all of the differences between asexual and sexual reproduction?
2.) What do these difference mean for the offspring?
3.) Are asexual reproducers or sexual reproducers at an advantage for survival? Please elaborate.
4.) Why has reproduction evolved over the years?
Process
Use the following resource to research your essay.
http://www.pbslearningmedia.org/resource/tdc02.sci.life.repro.lp_reprod…
Under resources click the links for "The mating game," "Asexual Reproducers," The Red Queen."
For each of these resources you should FIRST SCROLL DOWN AND CLOCK SUPPORT MATERIALS. Read the "Background Essay," then watch the video, or play the game.
Additional Resources
https://www.ck12.org/biology/Asexual-vs.-Sexual-Reproduction/lesson/Ase…
http://learn.genetics.utah.edu/content/variation/reproduction/
http://www.nationalgeographic.com/
Evaluation
| Essay-Rubric | ||||
| Teacher: Virginia Hamilton | ||||
| Student Name: ________________________________________ | Date: | Class: | ||
| CATEGORY | 4 | 3 | 2 | 1 |
| Grammar & Spelling (Conventions) | Writer makes no errors in grammar or spelling that distract the reader from the content. | Writer makes 1-2 errors in grammar or spelling that distract the reader from the content. | Writer makes 3-4 errors in grammar or spelling that distract the reader from the content. | Writer makes more than 4 errors in grammar or spelling that distract the reader from the content. |
| Sentence Structure (Sentence Fluency) | All sentences are well-constructed with varied structure. | Most sentences are well-constructed with varied structure. | Most sentences are well-constructed but have a similar structure. | Sentences lack structure and appear incomplete or rambling. |
| Support for Topic (Content) | Relevant, telling, quality details give the reader important information that goes beyond the obvious or predictable. | Supporting details and information are relevant, but one key issue or portion of the storyline is unsupported. | Supporting details and information are relevant, but several key issues or portions of the storyline are unsupported. | Supporting details and information are typically unclear or not related to the topic. |
Conclusion
You will have class today 9/29, 9/30, 10/1. IT WILL BE DUE AT THE END OF CLASS Monday 10/5.