Ecosystems gain most of their carbon dioxide from the atmosphere.A number of autotrophic organisms have specialized mechanisms that allow for absorption of this gas into their cells. With the addition of water and energy from solar radiation, these organisms use photosynthesis to chemically convert the carbon dioxide to carbon-based sugar molecules.… أكمل القراءة

The plants that do survive have “tricks” up their sleeves called adaptations to deal with the special challenges. One of the biggest challenges is the salinity, or the amount of salt in the water.The water in a mangrove swamp is so salty it would kill most plants.… أكمل القراءة