Activity Sheet    Name: ___________________

 INDICATOR SPECIES

Directions: In the table below, list all of the strengths and advantages of using an indicator species test to evaluate the quality of water. Then list all of the weaknesses and limitations of using an indicator species test. Use the reverse side of this worksheet if you need additional space.

 

STRENGTHS OR

ADVANTAGES

 

WEAKNESSES OR

LIMITATIONS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Journal Prompts:

1. What can you learn about water quality from an indicator species test?

2. Explain why a species indicator test IS or IS NOT an effective measure of how clean a stream is or how safe it would be to use the water in a stream for cooking or drinking? 

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