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Dead zone (ecology)


The size and number of marine dead zones—areas where the deep water is so low in dissolved oxygen that sea creatures can't survive—have grown explosively in the past half-century. –...

Green plants are unable to live deep in the ocean because of what


the amount of light they get. ... Green plants are unable to live deep in the ocean because of what? Green ... Why are there no algae living in the deep ocean?

On land all plants appear green, where as ... - UCSB Science Line


As you know, green plants are absorbing pretty much all the non-green ... of the red light, so only blue and green light are able to reach the plants deep underwater. ... is found at depth and green algae is found at the ocean surface or in tide pools. ... A third possibility is that the green algae live primarily in fresh water, and i...

Puzzling Out The Tree Of Life Of Green Plants


"Knowing the tree of life is important because of its predictive value," said Brent ... The Green Plant Phylogeny Research Coordination Group, or Deep Green, ... Some plants, like the kingdom of red plants -- mostly seaweeds -- never left the ocean. ... became a symbiont -- essential to the host cell and unable to live withou...

Plankton: Ocean Drifters - Script - Oceanic Research Group


This wealth of marine life can only exist in such numbers because there is ... Phytoplankton means "plant plankton" and includes all kinds of drifting plants, like ... these tiny plants grow and multiply, turning the water green from their chlorophyll, and ... The warm surface water floats on top of the cold, dense deep water...

Animals | Causes of Color - Webexhibits


Pigments are chemical compounds responsible for color in a range of living substances ... The only way to achieve a deep rich blue was by using the semi- precious stone lapis ... Because the best sources of lapis lazuli were remote, the stone was ... Unlike plants, most animals are unable to make green and blue pigments.

World Changers 3.0 | Natural History Magazine


Algae, plants and humans: three groups of organisms that used chemistry to ... Change it, that is, on a geologic scale that can withstand the rest of deep time? ... In contrast, the creatures that crowd the surface of our living planet rarely have a ... Blue-green algae proliferated across the open ocean, using the sun's energy ...

Researchers find photosynthesis deep within ocean


Jun 21, 2005 ... Discovery of green sulfur bacteria living near hydrothermal vents has major ... evidence of photosynthesis taking place deep within the Pacific Ocean. ... Because these organisms live nearly 2,400 meters below the surface ...

How much do oceans add to world's oxygen? | Earth | EarthSky


Jun 8, 2015 ... Scientists agree that there's oxygen from ocean plants in every ... comes from tiny ocean plants – called phytoplankton – that live near the ... They aren't sure because it's a tough thing to calculate. ... We were unable to load Disqus. .... Sea Weed is Green, there for they have Cloraphyll & it produces...

Where Insects Fear to Tread | DiscoverMagazine.com


Mar 1, 1997 ... And because the two have evolved together, the absence of flowers made life in the ... Some 3 to 5 percent of all insect species live in lakes and rivers--and ... The vast majority of plant life in the ocean consists of simple plants like ... The reason flowering plants, which evolved on land, have been unable to .....

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Oceans Alive! | Life in the Sea | Life Near the Surface


The Living Sea Life Near the Surface ... Many live only near the sunlit surface. ... Red shows where phytoplankton is densest, followed by yellow, green, blue and ... The rooted plants in the ocean are only found in shallow water because there is ... man-of-war are examples of larger types of zooplankton which are unable to  ...

How do plants survive in the ocean? | Reference.com


Plants can survive underwater as long as they are close enough to the surface ... than a few hundred feet because sunlight cannot reach that deep into the ocean. ... with the naked eye, but large clusters may give the ocean surface a green hue. ... A: Some plants that live in the ocean are kelp, seaweed, seagrass and algae.

autotroph - National Geographic Society


Because autotrophs produce their own food, they are sometimes called producers. ... All plants with green leaves, from the tiniest mosses to towering fir trees, ... Bacteria that live in the deep ocean, near hydrothermal vents, also produce food ...