Sunday, February 5, 2012
Corals moving to more tolerable temperatures
Click here and read this article
Answer the questions below in paragraph format. Then, comment thoughtfully in the form of a question on a peer's post. Both posts will be graded. They are due Monday, Feb. 13th.
What is the name of the type of coral that has not done well in the Great Barrier Reef but is doing better in the previously cooler waters of Western Australia?
After reading the article, come up with an explanation of why the corals are doing better in their newer location?
Which variable (ocean acidification or temperature) appears to have a greater impact on these types of corals? Why might it be too soon to tell?
What process (related to corals) is sensitive to changes in pH and temperature?
What does this article show about the scientific process? Does this article dispute the effects of global warming on organisms? Support your answer with evidence.
Friday, January 20, 2012
Gray Wolf Makes a Comeback
Read this article here
Answer the following questions in paragraph format and ask one question about one of your peer's posts in a separate "reply" post.
Where in the United States did the gray wolf traditionally range?
What events led to the gray wolf's demise?
What federal law passed and when did it pass that helped the gray wolf make a comeback?
What states now have stable gray wolf populations and what has happened in terms of their legal status as a result?
What is the California wolf looking for? Will it be successful?
What group of stakeholders is pleased that the wolf has made an entrance into California? Who is against it and why?
Do you think that gray wolves should be protected despite their impact on livestock?
Thursday, January 5, 2012
Are we accurately estimating extinction rates due to climate change?
Extinction rates and Climate Change Article
Read the article above and answer the following questions:
What is an extinction rate?
Why do scientists think we may be underestimating extinction rates due to climate change?
What variables need to be considered when estimating extinction rates?
Your thoughts/opinions?
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