No, seaweed is not endangered. There are many varieties of seaweek and they are all thriving.
If the ocean temperatures rise or the water becomes less salty as a result of global warming there is a chance that some seaweed might die out.
Seaweed is a broad colloquial term that refers to multiple types of algae.
The trophic pyramid of seaweed would include seaweed as a producer in the area at the base of the pyramid. The seaweed is followed by grazing creatures that eat seaweed and are then eaten by predators.
How are diatoms and kelp different from each other?
diatoms are single celled algae. Kelps are large and are many celled algae.
30 to 80 meters at the most (about 90 to 240 feet) "How tall is kelp. I need help." That rhymes! Anyway, kelp can actually grow to be 110 feet tall, which is about 9 yards. That's the highest possibility.
A bryophyte plant which grows in wet places and resembles a green seaweed or leafy moss?
Spanish moss
the thallus (or body) consists of flat or leaf-like structures known as blades. Blades originate from elongated stem-like structures, the stipes.
So they dont move on their own but if broken they float and move along the currents .
A conch eats minute particles that are often predominantly found in sand.
There does not seem to be a poem by Robert Frost about a ship with a broken mast and a girl whose hair looks like seaweed in the ocean. Robert Frost did write "Neither Out Far Nor In Deep" about the ocean but makes no mention of a broken mast or a woman.
Kelp live the the sea. You will not be able to see them because they are very small.
ADDED: ???
Oh yes you can see it! Kelp is a large sea-weed with characteristically long, flat fronds narrowing down to a rubbery stem above its holdfast. It does not live "near" the sea but in it - growing prolifically in shallow waters usually fairly close inshore.
Does a platy fish need a hiding place or is it ok with seaweed?
Yes platys will be fine they don't really need a hiding place.They might do if they feel under threat by bigger tank mates.
They are plants so they 'feed' through photosynthesis. and is smoked by the fish in the sea because it's sea weed