Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 49, Problem 12PIAT
MODEL Lionfish are usually found in full-salinity seawater (35 parts per thousand). However, lab studies show that lionfish can tolerate salinities as low as 4 parts per thousand for several days, suggesting that the low-salinity water of estuaries (such as at the mouth of the Amazon River) may not be a barrier to lionfish dispersal along the coasts. Sketch a niche model predicting lionfish abundance as a function of salinity.
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Shrimp fishing off the coast of Georgia was closed in 2001, due to a drastic reduction in the shrimp population. Landings of blue crab plummeted in 2002 and 2003, as five years of drought and greatly reduced freshwater flow from underground aquifers led to increased salinity in coastal estuaries. These habitats between open ocean and fresh water are “nurseries” for many marine animals. Speculate about possible causes for the decline in shrimp and blue crab populations.
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Chapter 49 Solutions
Biological Science (6th Edition)
Ch. 49 - 1. Name the five main levels of study in ecology...Ch. 49 - Where do rain shadows exist? a. the part of a...Ch. 49 - Prob. 3TYKCh. 49 - 4. What is one expected consequence of global...Ch. 49 - Why does the Australian Outback receive so little...Ch. 49 - 6. Explain how the open ocean is similar to the...Ch. 49 - 7. Temperate forest in China and temperate forest...Ch. 49 - 8. Compare the distribution of the natural...Ch. 49 - 9. CAUTION Like Earth, Mars has seasons, with its...Ch. 49 - Scientists predict that global climate change will...
Ch. 49 - The red lionfish, Pteroisvolitans, has beautiful...Ch. 49 - MODEL Lionfish are usually found in full-salinity...Ch. 49 - 13. DNA studies suggest that the lionfish invasion...Ch. 49 - PROCESS OF SCIENCE List the five main levels of...Ch. 49 - QUANTITATIVE Conservation biologists are...Ch. 49 - SOCIETY Volunteer conservation organizations have...
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