blue-green algae

blue-green algae

noun Biology.
a widely distributed group of predominantly photosynthetic prokaryotic organisms of the subkingdom Cyanophyta, resembling phototrophic bacteria, occurring singly or in colonies in diverse habitats: some species can fix atmospheric nitrogen.
Also called cyanobacteria.


Origin:
1895–1900
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Blue-green algae is always a great word to know.
So is homogenesis. Does it mean:
reproduction in which the offspring resemble the parents and undergo the same cycle of development
any alteration in the structure of an organism resulting from natural selection, by which the organism becomes more able to survive in its environment
Collins
World English Dictionary
blue-green algae
 
pl n
the former name for cyanobacteria

Collins English Dictionary - Complete & Unabridged 10th Edition
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