Go to this link and explore the relationship between DO, temperature and light. Please note that the quiz questions at the end of this activity are fair game for the water unit test. Here is the direct link to a simulated DO lab.
(Date of the test is TBD but we need to set it for next week....I am thinking Thursday or Friday....let me know what schedules look like, but keep in mind that we do not have class Monday or Tuesday next week.)
Use this link to evaluate the relationship between DO and BOD. Take a look at this quiz to see how well you understand these ideas.
What is DO?
What is BOD?
What are the abiotic factors that influence DO levels in aquatic ecosystems?
What are the biotic factors that influence DO levels in aquatic ecosystems?
What are the physical characteristics of an aquatic ecosystem that influence DO levels?
What are the types of aquatic ecosystems that are evaluated in this activity?
What are the testing methods to measure DO levels?
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