Yes, well technically the cells of seaweed all have nuclei. Seaweed are in the Domain Eukarya, Eubacteria (Domain Bacteria) and Archeabacteria (Domain Archaea) are prokaryotic meaning that they lack a nucleus and organelles.
A1. Yes, chlorophyll is the thing that makes plants green and is needed in the process of obtaining energy from light.
a2. As you'll know seaweeds come in three broad classes, red, green and brown. The photosynthesis chemicals in these classes are different and do not necessarily involve chlorophyll.
Have a crack at Algae in Wikipedia for detailed information.
It is probable that all green plants descended from the green seaweeds.
Some deep sea organisms do not require light for their processes - many of these live near Black Smokers, and may rely on a sulfur mechanism as the driver of their life processes. It is possible that these are candidates for the origin of life on Earth.
Yes, they produce their own food just like terrestrial plants
by hiding in seaweed by hiding in seaweed by hiding in seaweed by hiding in seaweed
seaweed seaweed seaweed
No, kale is not seaweed. Perhaps you mean "kelp" which is a seaweed.
Answer Seaweed is not an animal of the sea's it's a plant.
seaweed seaweed
Seaweed? Plants.
Seaweed is renewable!
No, seaweed is a plant.
is seaweed nonliving
Seaweed reproduces by division. If a piece of seaweed gets torn off, it will grow into a fully functioning seaweed plant.
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.
Maybe. Or maybe there is a special seaweed for humans