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Sea lettuce belongs to the Kingdom Plantae.
The phylum of sea lettuce is Chlorophyta.
Domain: Eukarya
Kingdom: Plantae
Phylum: Chlorophyta
Class: Ulvophyceae
Order: Ulvales
Family: Ulvaceae
Genus: Ulva
sea lettuce
the wind
they can eat their own lettuce and other sea luttuce slug's lettuce