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Clouds

Read the article „Carbon emissions threaten sea life“ from CNN. Think about the importance of the acidification of the sea for phytoplankton and the marine food web. Task 1:

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Clouds

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  1. Read the article „Carbon emissions threaten sea life“ from CNN. Think about the importance of the acidification of the sea for phytoplankton and the marine food web. Task 1: Summarise in 4-5 sentences, what may happen when the oceans become too acidic. Consider the interaction in the marine ecosystem. Task 2: On this page you can find 11 circles with 11 components of the oceanic ecosystem. Fill these terms in a reasonable way into the empty circles on the next page. Humans pH-value Carbonicacid Phyto-plankton Sulphur-gases Fish Solarradiation Carbon-dioxide Zoo-plankton Clouds Carbon-dioxide Add numbers according to the numbered sentences on the next page to the arrows between two circles, so that all statements are correct. Example: 7) produces as signal component and osmoregulater the substance Phyto-plankton DMSP 7

  2. 1) are caught and eaten by 2) are oxidised in the air and allow the formation of 3) in the sea water decreases its 4) is transferred from the air to the water and forms 5) is the first living link in the marine food chain and is eaten by6) absorb and reflect Phyto-plankton 7) consists of little animals floating in the sea and is eaten by 8) leads indirectly via DMSP to the release of 9) has to be sufficiently high for the formation of calcium carbonate shells of10) allows, along with light and nutrients, the growth of

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