How Does Temperature Affect Respiration Rates of Fish?

Tags: Endotherm, Ectotherm, Thermoregulation

Name: ____________________ /35
How Does Temperature Affect Respiration Rates of Fish?
Google the web site and in the upper left corner search for “goldfish lab”. Select the fish temperature lab.
Use the simulator to gather data.
Contact 4 classmates and get their data. (or run the simulation 5 times yourself) Complete the table.
Complete a graph using the average respiration rate vs time. Answer the questions.
** no additional report is needed**

Introduction:  In this lab you will slowly change the water temperature of a fish and determine how changing the temperature affects the fish's respiration rate Prediction:  How do you think the temperature affects breath rate? As the temperature increases, the respiration rate will:  increase, to try and stay cool/not overheat. /2 increase, decrease, or stay the same (circle)

1.  The goldfish will start at room temperature.  Check the temperature and record the number of breaths the fish takes at room temperature for 30 seconds. 2.  Use an empty bowl and add cold, icy water.  Place the fish beaker in the ice bath.  3.  Place a thermometer in the fish's beaker and watch as the temperature slowly changes.  When it reaches each of the ranges in the data table, determine how many breaths the fish takes. 4.  Replace ice bath with warm water bath to raise temperature. Table /7 Graph /5

Temperature Range | Actual Temp (read thermometer) | Your fish| Fish 2| Fish 3| Fish 4| Fish 5| Average| 26-29 C|  30|  41|  40|  42|  46|  44|  42.6| 23-25 C|  25|  38|  34|  36|  40|  36|  36.8| 18-22 C (room)|  20|  31|  28|  30|  33|  27|  29.8| 15 - 17 C|  x|  x|  x|  x| x| x| x|

11 - 14 C|  12|  22|  22|  19|  20|  22|  21| 10 or below |  4|  13|  10|  12|  15|  14|  12.8| Graph      

1.  Describe how the fish's respiration rate changes with the...
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