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plankton
(redirected from planktonic)

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.01 sec.
plankton
[plangk′tən]
Etymology: Gk, planktos, wandering
nearly microscopic floating or weakly swimming organisms (both photosynthetic and nonphotosynthetic) found in lakes and oceans that provide the initial level in the food chain for aquatic animals.

plankton
a collective name for small animal and plant (phytoplankton) organisms that drift passively in all natural bodies of water. The starting point of the aquatic food chain. Called also microalgae.


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The UCD microbiologist, Dr Emmanuel Reynaud, who is joining an international team of experts, is to leave Lorient in France this weekend to discover the impact climate change is having on planktonic life in the world's oceans.
He said that oceanographers had previously dismissed the idea that animals might have a significant effect on ocean mixing, believing that the viscosity of water would cancel out any turbulence created, especially by small planktonic, or drifting, animals.
As expected, this stimulated growth of tiny planktonic algae or phytoplankton, which it was hoped would take out of the atmosphere carbon dioxide, the principal greenhouse gas blamed for climate change, and absorb it.
 
 
 
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