Pg. 50 RTW: How is carbon absorbed/stored in the environment? Monday, November 14th Pg. 50 RTW: How is carbon absorbed/stored in the environment? Objective: I will be able to diagram and explain the biogeochemical cycles of an ecosystem. Agenda: Biogeochemical cycle notes (pg. 51) STAR pg. 50 Homework: Study for Test on Friday (Biogeochemical Cycles and Carbon Sink)

Biogeochemical Cycles The continuous flow of elements & compounds between organisms & the earth Nutrients- inorganic substances that organisms require to live Organic substances break down through decomposition leaving behind inorganic substances eventually brought to surface by upwelling.

Carbon Cycle (CO2 is a greenhouse gas) Fundamental element (carbon is in all living things) Carbon forms the basis for chemical energy and for building tissues. Carbon dioxide gas dissolves into the ocean (a CO2 storage tank “Carbon Sink”) Decomposition of organisms releases it Calcium carbonate Much is concentrated in the deep sea Major contributor to global warming

Nitrogen Cycle Required by organisms for proteins , chlorophyll, and nucleic acids. Must be converted to a usable form by bacteria AmmoniaNitratesNitritesNitrogen gas

Phosphorus Cycle Used in the ATP/ADP cycle (Energy) Part of DNA Makes up bones & teeth when combined with calcium carbonate Fertilizer

Silicon in the Marine Environment Silicon exists as silicon dioxide aka silica. Used by diatoms and radiolarians (types of plankton) to build shells and skeletons. Most sand is silica due to its abundance in rocks and resistance to being broken down completely.

S.T.A.R (Answer on pg. 50) Which gas needs to be converted by bacteria before we can use it? How do organisms use nitrogen? Why is phosphorous essential to life? Why is Silicon important to some marine organisms?

The ocean as a carbon sink Ocean Acidification: Alliance for Climate Education Acid Test Video

Pg. 50 RTW: Which gas needs to fixated before humans can use it? Tuesday, November 15th Pg. 50 RTW: Which gas needs to fixated before humans can use it? Objective: I will be able to identify toxic substances that accumulate in aquatic systems, such as ammonia, nitrates, etc. Agenda: Acid Test Homework: Study for test Friday 11/18 (Biogeochemical cycles and Carbon Sink

Pg. 50 RTW: Why is it bad that the oceans absorb CO2? Wednesday, November 16th Pg. 50 RTW: Why is it bad that the oceans absorb CO2? Objective: I will be able to identify toxic substances that accumulate in aquatic systems, such as ammonia, nitrates, etc. Agenda: Ocean Acidification Lab Review for Test Homework: Study for test Friday 11/18 (Biogeochemical cycles and Carbon Sink

Pg. 78 RTW: What are some threats to coral reefs? Friday, January 8th Pg. 78 RTW: What are some threats to coral reefs? Objective: Learn what makes up a coral reef and what types of factors affect it’s productivity. Agenda: Ocean Acidification Lab pg. 78 Homework: None 

Liquid Control Color Start pH End Color End pH Seawater Tap Water Carbonated Water

Cabbage Juice pH Indicator Scale acid neutral base

SALT WATER

CARBONATED WATER

TAP WATER

Today’s Review Write 5 multiple choice (A-D) questions on the material for this test Use your notes to come up with these questions Make sure you have a variety of questions Try not to make questions with “All of the above” as an answer choice Once done, you will exchange questions with your shoulder partner and take their tests. Continue to exchange questions with your row to see what others saw as important to know.

Pg. 50 RTW: How does fertilizer affect the marine ecosystem? Thursday, November 17th Pg. 50 RTW: How does fertilizer affect the marine ecosystem? Objective: I will be able to identify toxic substances that accumulate in aquatic systems, such as ammonia, nitrates, etc. Agenda: Review for Test Homework: Study for test tomorrow (Biogeochemical cycles and Carbon Sink

NO RTW! Bags up front and grab your clicker. Friday, November 18th NO RTW! Bags up front and grab your clicker. Objective: I will be able to identify toxic substances that accumulate in aquatic systems, such as ammonia, nitrates, etc. Agenda: Biogeochemical and Carbon Sink Test Homework: None 