red algae

Noun

Meaning

marine algae in which the chlorophyll is masked by a red or purplish pigment; source of agar and carrageenan

Synonyms

Hypernyms

Hyponyms

Examples

Algae In some multicellular green algae ( Ulva lactuca is one example), red algae and brown algae sporophytes and gametophytes may be externally indistinguishable (isomorphic). Source: Internet

All secondary chloroplasts come from green and red algae —no secondary chloroplasts from glaucophytes have been observed, probably because glaucophytes are relatively rare in nature, making them less likely to have been taken up by another eukaryote. Source: Internet

A more likely source is alliga, "binding, entwining." citation The Ancient Greek word for seaweed was φῦκος (fūkos or phykos), which could mean either the seaweed (probably red algae) or a red dye derived from it. Source: Internet

A similar sexual cycle is present in the red algae (Rhodophyta). Source: Internet

In red algae, the action spectrum is blue-green light, which allows these algae to use the blue end of the spectrum to grow in the deeper waters that filter out the longer wavelengths (red light) used by above ground green plants. Source: Internet

Harvey's four divisions are: red algae (Rhodospermae), brown algae (Melanospermae), green algae (Chlorospermae) and Diatomaceae. citation Harvey, D. (1836). Source: Internet

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