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Drag the terms on the left to the appropriate blanks on the right to complete the sentences.
1. In both graphs, time is the independent variable and is shown on the x axis. Fish population size is the dependent variable and is shown on the y axis.
2. In Graph 1, the larval populations of American shad are measured in millions. In Graph 2, the juvenile populations of tessellated darters are measured in thousands.
3. The line in each graph shows the trend exhibited by the data before zebra mussels invaded the Hudson River .
4. After zebra mussels invaded, American shad populations decreased, and tesselated darter populations increased.
5. These data support the hypothesis that zebra mussels negatively affect fish in the open water and positively affect fish in the littoral zone.

Answer :

1. Time is the independent variable and is displayed on the x axis in both graphs. The dependent variable, represented on the y axis, is the size of the fish population.

2. The American shad larval populations are expressed in millions in Graph 1. Tessellated darter juvenile populations are expressed in thousands in Graph 2.

3. The trend shown by the data before zebra mussels invaded the Hudson River is depicted by the line in each graph.

4. American shad populations fell and tesselated darter populations rose following the invasion of zebra mussels.

5. These findings are consistent with the theory that zebra mussels have a negative impact on fish in open water and a positive impact on fish in the littoral zone.

An independent variable is what?

A variable that is independent is exactly what it sounds like. It is an independent variable that doesn't affect the other elements you're attempting to gauge. Age is one possible independent variable.

To know more about independent variable visit:

https://brainly.com/question/11001875

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