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Chapter 1

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by: Molly Hart

Chapter 1 HIST 108 E01

Molly Hart

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Science and Technology in World History
Itamar Friedman
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"Please tell me you're going to be posting these awesome notes every week.."
Mr. Marshall Tremblay

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This 3 page Bundle was uploaded by Molly Hart on Tuesday February 2, 2016. The Bundle belongs to HIST 108 E01 at University of South Carolina taught by Itamar Friedman in Fall 2015. Since its upload, it has received 33 views. For similar materials see Science and Technology in World History in History at University of South Carolina.


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Date Created: 02/02/16
Molly Hart Period 6 March 14, 2012 Problems: 1. What is a cold­blooded animal?  2.  What are some differences between cold and warm­blooded animals? 3. Does water temperature affect fish? Questions: 1. It was important not to excite or scare the fish because then if would breath  heavier and fast so the number of bubble wouldn’t be accurate. 2. When the fish’s mouth is open, water is taken into the fish’s mouth as the  operculum closes. When the fish’s mouth is closed, the operculum opens and water  is then directed to flow across the gills. 3.  The water is being seperated into oxygen and hydrogen and carbon dioxide is  leaving the fish’s body. The gill filaments are releasing these gases into the water. 4.  The gas moves the opposite of the filaments so it can get the most productivity. 5.  Carbon dioxide leaves the gill chamber with the water molecules. 6.  The respiration rate can be determined by the operculum movement because of  the speed of the opening and closing. 7.  All of the other parts of the fish are fins and the operculum is a “lung” for the fish. It helps the fish take out the oxygen in the water. 8.  The operculum movements are coordinated with the mouth and gills. It isn’t a fin  that helps the fish move, it is an organ that helps the fish breath. 9.  When the fish was in hot/warm water the fish was respiration rate was faster  than when the fish was in cold/cool. When the temperature got down to five degrees  celcius, the fish started to act dead. When the water warmed up, the fish would swim  around and act either scared or excited. 10.  At thirty degrees celcius the operculum rate was the greatest because warmer  temperatures speed up the respiration process. 11.  As the temperature rises, then respiration rate of each fish will go up too. If the  temperature decreases, then respiration rate of the fish will go down. 12.  The fish’s heart rate could influence the respiration rate along with the  temperature. 13.  In the ocean, since it tends to be colder, the fish’s respiration rate should be  slow and in a pond or lake, since it tends to be warmer, the respiratpion rate should  be faster. In the summer time (mostly August because the water takes longer to warm up), the fish’s respiration rate should be faster and in the winter months, slower. Data: See the lab Conclusion: 1. Cold­blooded animals are animals that’s body temperatures turn to the temperature  of their surroundings. If the water is cold then they are cold. They become very sluggish  in cold temperature and active in warmer temperatures. 2. A cold­blooded animal can convert much more of its food into fat compared to a  warm­blooded animal. They have to eat a lot more food compared to a cold­blooded  animal to maintain a constant body temperature. 3. Yes water temperature affects the respiration rate of the fish. If the water temperature is cold then the fish’s respiration rate slowes down but if the temperature is warm then  the rate gets faster.


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