A large marine alga that grows along rocky shores.

Related Terms


A plant of simple structure which grows chiefly in water, such as the various forms of seaweed. It ranges in size from a microscopic plant, large numbers of which sometimes cause dis- coloration of water, to the giant kelp which may extend for more than 600 feet in length. The Red Sea owes its name to red algae, as doe


A microscopic alga with an external skeleton of silica, found in both fresh and salt water. Part of the ocean bed is composed of a sedimentary ooze consisting principally of large collections of the skeletal remains of diatoms.


Any large alga growing in the sea below the high water mark.

Related questions

MarineProHelp 2018 - 2022