Oxygen Reduction

Are we going to run out of Oxygen on Earth?

1. Based on your understanding of Biology, what would your initial answer be to this question?

2. What background questions would you need answered in order to take an informed stance?

Use the I² format to analyze this graph and table. Write at least three statements using "I see..." and "It means..."

Reflection Question: Describe the trends seen in the data in Table  and Figure above.

CFS:

*Write in 3-5 sentences

*Use data from both the diagram and the table

How have humans played a role in the decrease of dissolved oxygen concentrations?

(5 mins)

1. Explain why Oxygen concentrations have changed in recent decades on Earth.

2. Propose whether or not this is enough evidence to make the claim that the Earth is running out of oxygen. Provide rationale for your response.

Student-Facing CFS;

●States an appropriate claim

●Provides appropriate evidence

●Uses scientific reasoning to support evidence

●Uses academic vocabulary

●Written in complete sentences