
1) Algae 2) Anagram of seesawed 3) Dulse and laver 4) Kelp and others 5) Oxygen producers 6) Sargasso plants 7) Wakame and kelp
Found on
https://www.crosswordclues.com/clue/seaweeds

1) Algae
Found on
https://www.crosswordclues.com/clue/seaweeds

any of various algae growing in the sea. Plants form the basis of all foodwebs. Seaweeds can be likened to the forests and pastures on the land. But there are major differences. Most marine plantlife is found in the phytoplankton drifting in the top layer of all oceans. On land no such equivalent exists. Seaweeds don't need roots to tap moisture an...
Found on
http://www.seafriends.org.nz/books/glossary.htm
No exact match found.