Crossword clue: primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

The most common answer is alga (4 letters).

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

alga 4 letters wn-def

primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves

algae 5 letters wn-def

primitive chlorophyll-containing mainly aquatic eukaryotic organisms lacking true stems and roots and leaves