research a keystone species within an ecosystem and create a visual web for how the keystone species support other organisms

Points: 100
 
Overview:
 
In this assignment, you will research a keystone species within an ecosystem and create a visual web for how the keystone species support other organisms.
 
Instructions:
 
Find an article or a web resource that discusses and illustrates an ecological web that includes a keystone species.  Create your own version of the ecological diagram, showing the interrelationships between species.  Be sure to cite your source of the material and include it with your submission.
 
Include the following in your ecological diagram:
 

  • An ecological web that includes at least one (1) keystone species.
  • The interrelationships of at least another four (4) species, including one primary producer. Organisms should be labeled in the web.
  • A one-paragraph explanation of the feeding relationships demonstrated within the ecological web.
  • A link to the article or web resource that you used as a reference.

Requirements:
 

  • Upload your chosen article for your peers to evaluate your response.
  • Provide at least one (1) peer response that elaborates on your classmate’s ideas with further comment or observation, presents a relevant new idea or viewpoint for consideration, and raises a question, or politely offers an alternative perspective.
  • Include the citation of the article in the correct APA style.
  • Post the assignment, article, and your response to the Assignment Forum by the due dates listed above.

Be sure to read the criteria below by which your work will be evaluated before you write and again after you write.
 
Evaluation Rubric for Ecological Web Assignment Forum
 

CRITERIA Deficient Development Needed Satisfactory Proficient
Ecological Web with KeyStone
Species 
 
(0-11 Points) (12-15 Points) (16-17 Points) (18-20 Points)
Diagram is missing major components and is incomplete, is missing keystone, primary producer, and other organisms. Diagram shows one keystone, one primary producer and one other organism. Diagram shows one keystone, one primary producer and two other organisms. Diagram shows one keystone, one primary producer and at least three other organisms.
Interrelationships         (0-14 Points) (15-19 Points) (20-22 Points) (23-25 Points)
The majority of interrelationships are incorrect/missing or mislabeled. Two or more interrelationships are incorrect and are inaccurate or mislabeled.
 
Most
interrelationships are correct, but one interrelationship is not accurate or is mislabeled.
All interrelationships are correctly labeled and accurate between the keystone and other 4 organisms.
Explanation (0-14 Points) (15-19 Points) (20-22 Points) (23-25 Points)
Description of the food web is missing and the majority of interrelationships are incorrect or missing. Description of food web misidentifies the ecosystem or an interrelationships between species. Description of food web identifies the
ecosystem and most
interrelationships between species accurately.
Description of food web identifies the ecosystem and
interrelationships between species accurately.
Article Included and Reference Citation in APA Formatting (0-5 Points) (6-7 Points) (8 Points) (9-10 Points)
Article citation was not present, and/or APA style formatting has significant errors. Article citation was included and has some issues with APA style formatting.
 
Article citation was included, but has minor errors in APA style formatting. Article citation was included and correctly formatted in APA style.
Peer Response
 
(0 Points) (6 Points) (8 Points) (10 Points)
No response post made to a classmate’s post. Peer response provided, though minimal and lacking depth by restating or summarizing what was already expressed, details, and new ideas missing or lacking. Peer response elaborates on classmate’s ideas
with further comment but does not raise a question
or offer an alternative perspective.
Peer response elaborates on classmate’s ideas with further comment or observation; presents a relevant new idea or viewpoint for consideration; raises a question or politely offers an alternative perspective.
 
CRITERIA Deficient Development Needed Satisfactory Proficient
Posting Due Dates   (0 Points) (5 Points) (10 Points)
The assignment and response were not posted by the due dates of the unit. Either the assignment or the response was not posted by the due date of the unit. Both the assignment and response were posted by the due dates of the unit.

 

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