After reading the paragraph below, answer the questions that follow.
Scientists from The National Centers for Coastal Ocean Science conducted a 6-year study on the effects of ocean temperature change on abundance of dominant intertidal species (barnacles and mussels). These organisms can outcompete other intertidal organisms for space (and therefore distribution and abundance). Suppose the scientists collected the following data on average intertidal zone temperatures (C°) and densities of mussel clumps and barnacle colonies (per square meter):
| Year | Avg. Annual Intertidal Zone Temperature (C°) | # Clumps Mussels/sq m | # Colonies Barnacles/sq m
|
| 2004 | 6° | 6 | 22 |
| 2005 | 6.7° | 5.5 | 19 |
| 2006 | 7.3° | 5 | 17 |
| 2007 | 7.8° | 4.75 | 16.5 |
| 2008 | 8.2° | 4.5 | 16 |
| 2009 | 8.5° | 4.5 | 16 |
| 2010 | 8.7° | 4.5 | 16 |
How would information gleaned from this project enable additional studies of organismal biodiversity and climate change?
◦ Scientists could use their data analysis to predict the impact of average rainfall on biodiversity of intertidal marine organisms.
◦ Scientists could use their data analysis to predict future changes in biodiversity of nondominant (more rare) intertidal marine organisms as they respond to variation in climate change.
◦ Scientists could use their data analysis to predict changes in biodiversity of terrestrial organisms in temperate forests as they respond to variation in climate change.
Scattergrams are a mechanism used by political scientists to show patterns and relationships among v
John Muir (right) with President Roosevelt at Yosemite National Park
IROC on a Graph Questions
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