The leafy part of a seaweed is called the blade.
the stem holds it up
Nori, the dark green wrap that holds the sushi together in a roll, is made of seaweed. Seaweed is a type of algae.
The stem.
Nori (a.k.a. laver) is a paper like, edible, toasted seaweed used in most kinds of sushi. The nori is actually the part that holds the sushi together.
Yes (or rather, an extract of seaweed).
It is extracted by warming the seaweed/kelp up.
Filament
Alice Springs?
Look up Susswassertang on wikipedia. Freshwater plant whose name means freshwater seaweed. Yes, I live on a lake and we have A TON of seaweed
Seaweed has a part called a Float. This is often at the very top of the plant. The float mostly floats on the top of the water. The Float helps to keep the Seaweed buoyant. Seaweed floats because of the Float.
Although not their main food source, seaweed is part of the diet of carnivores like polar bears, arctic foxes and seals. Few fish feed on seaweed because it is difficult for them to digest. However, butterfish has seaweed as part of their diet. Parrotfish and the surgeonfish are also seaweed-eaters. Many crustaceans, invertebrate marine animals with an external skeleton, eat seaweed, including crabs, lobsters, crayfish, woodlice, pillbugs and krill. Mollusks such as periwinkles, a type of snails that live on the seashore, also feed on seaweed attached to rocks.