Some animals, such as amphibians and sea birds, need to see above and below water. How do their eyes work in air and in water? What are coral reefs and kelp beds, and why are they ecologically important? What roles do water and air play in the lives of invertebrates?
Why are algae and cyanobacteria considered to be carbon sinks? Why do organisms need phosphorus? Did phytoplankton cause Snowball Earth? How do algae help coral reefs? What effects do hurricanes have on phytoplankton? How does La Nina affect phytoplankton and NPP?
Somewhat paradoxically, coral reefs are intolerant of liquid nutrient enrichment as it comes, for example, in run-off from agriculture or sewers (which may also cause smothering algae blooms). Corals need to have the nutrient converted into solid form. And this is where the fish comes in. ...
Marine ecosystems continue to be transformed by human activities. Among them, benthic ecosystems are perhaps one of the most affected, because of bottom trawling, urban or agricultural development, climate change, and other stressors. Benthic communities
How Does Coral Bleaching Affect The Marine Environment When thinking of oceans, people imagine the only living things that are in the waters are fish and small organisms. But there is much more some individuals may not know. Some shallow and deep oceans are home to coral. These groups of co...
Apr 2009 TED2009 Nate Silver: Does racism affect how you vote? 09:16Apr 2009 TED2009 Erik Hersman: Reporting crisis via texting 03:56Apr 2009 TED2002 Niels Diffrient: Rethinking the way we sit down 17:20Apr 2009 TED2009 Margaret Wertheim: The beautiful math of coral 15:33Apr 2009 TED...
“So if some countries want a future for the fisheries, they need to manage their fisheries in a more responsible way around areas that are set aside to help regenerate the rest of the ocean,” Sala said. For him and his team, the rebirth of the coral reefs in Kiribati is a beacon ...
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Seahorses, frogfish, and others live the life aquatic with little swimming. Not everyone can swim like a fish—even among fish.
What are the food webs of different species in coral reefs? Since plants can make their own food through photosynthesis, why does a seed need stored nutrients for the plant embryo? Which microhabitat has the most filamentous green algae? Why?