blue-green alga
Definitions
Any member of the taxonomic class or phylum Cyanobacteria; a primitive photosynthetic organism similar to bacteria which is thought to have generated the first oxygen in the Earth's atmosphere.
Equivalents
4 more languages
Examples
“Blue-green algae cells lack nuclei, and pigment is scattered.”
“Northern Ireland’s Lough Neagh, the largest lake in the British Isles, has been hit by recorded levels of potentially toxic blue-green algae that regional agencies say⟳ have⟳ not been seen since the 1970s.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See also
Know this word better than we do? Language is a living thing — help us keep it growing. Collaborate with Babel Free