discussion and assignment

1. In this assignment, you will explore the top predators effect in the ecosystem. Go to http://media.hhmi.org/biointeractive/click/trophiccascades/?_ga=2.71133017.874546303.1495559246-1279517233.1480957413 to begin the interactive click and learn. Download the word document, answer all of the questions on the Sea Otter example, which begins in the introduction. Once you have completed all of this portion, choose 1 of the case studies. Present a summary of the case study, in your own words. Make sure to include the positive and negative effects of the top predator, the direct and indirect effects of the top predator, and the changes that occur with the removal of the top predator. Submit the final document as either a word document, or a pdf file. NO other forms will be accepted.2. Write a post detailing the best scientific model we have for galaxy formation. Please included a description of the three main galaxy types, their Hubble classifications, and likely stellar populations (old stars/ new stars).

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