<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Algae</topic></authority><related type="narrower"><topic>seaweed</topic></related><related type="broader"><topic>Protista</topic></related><variant type="other"><topic>alga</topic></variant><variant type="other"><topic>algae</topic></variant><variant type="other"><topic>algæ</topic></variant> <note xml:lang="en"><![CDATA[ Large and diverse group of simple, typically autotrophic organisms, predominantly aquatic, photosynthetic organisms ranging from unicellular to multicellular forms, such as microscopic single-celled planktonic forms to huge kelps reaching over 100 feet in length; they photosynthesize their own food, though some species also ingest food particles. ]]></note></mads>