Baltic Sea Eutrophication Original and Alternate Regimes Case Study
I’m working on a environmental science question and need an explanation and answer to help me learn.
Go to http://regimeshifts.org
Choose a “Detailed Case Study” from the dropdown menu on the right under “Quick Search”
For your case study
Describe the original and alternate regimes
List the state variables (including identifying the key slow variables)
Create an influence diagram
Identify any feedback loops
EVR 1001 Miami Dade College Tree of Life by David Attenborough Video Discussion
The Tree of Life
Watch the video Tree of Life by David Attenborough. Note: If this link to the video does not work you can always search for it by name and it will appear in YouTube.
Select “Create Thread” first, then paste/type your answers. Your answers should be in your own words after having watched the video and reading other sources of information for reference, such as your textbook. Post your answers to these questions before responding to classmates’ posts. Note: your initial post, to these questions, must be posted first, in chronological order, before your response posts.
Describe two examples of natural selection, from the Galapagos Islands, that Darwin observed and were described in the video.
Name two examples of artificial selection.
How is artificial selection different than natural selection?
How does the production of more offspring than will survive play a role in natural selection?
What is the significance of Archaeopteryx?
How is it that a structure, as complex as an eye, can be produced by natural selection?
Why is it that religion and theories of evolution conflict?
What scientific evidence has been discovered since Darwin’s time that supports evolution by natural selection?
Name 2 groups of organisms that were described from the tree of life. Relate these groups to their position on the tree and to other closely related groups.