Bell Ringer Give two reasons that the frogs could be going extinct?

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Presentation transcript:

Bell Ringer Give two reasons that the frogs could be going extinct?

Yesterday we discussed………………… Today we are discussing What is the value of the wolf?

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Carbon is………….. Carbon is the key element for living things. Carbon can be found in the atmosphere Carbon can be found dissolved in the oceans primary in the form of CO billion tons of Carbon from inorganic carbon dioxide are recycled into more complex organic substances.

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Explain how burning if fossil fuels by humans affect the carbon cycle.

3. Scientist have expressed concerns about the burning of the rainforests to clear land for farming. A. Explain how the burning of the forests could change oxygen levels in the atmosphere. B. What impact would the change in oxygen levels have on living things? C. How would the change affect the ecosystem of the rainforest?

Homework from Yesterday! Please copy down! Explain why the life cycle and skin of the frog make it a good indicator animal if you want to determine the health of local ecosystems. B. Construct a concept web (graphic organizer) that links the decline in the number of frogs to the factors that may cause the decline. C. Choose one of the possible causes and, using your own words, explain how it affects the frogs.

Homework due “Homework” What is the value of the wolves”? pages Prepare a written position: Should wolves have been captured in Canada and shipped to Yellowstone national Park? You will choose to support/or develop an alternative view: Use the library, the web, to find information that will support your position and write a 2-3 page typed report on the results of your research.