Seaweeds are algae, and need light for photosynthesis the same as other plants. Seaweeds come in three colours, brown, red, and green. The non-green ones use chemicals different from chlorophyll for their photosynthesis.
Necessarily their need for light makes them shallow water plants.
There are seaweeds that are entirely free-floating - these commonly have air-filled bladders to aid flotation. The Sargassum are notable for this.
Seaweed is a general term, not a technical one.
the seaweed covers the light back
Seaweed
seaweed and sun light
Earthworms do not respond to darkness per say, but they do respond to light. although they do not have eyes, they are light sesitive.
Seaweed grows from sun light because it is a plant, and doesn't "eat" anything like an animal would.
seaweed is photosynthetic, that means it uses sun-light to produce food. It therefore only makes sense for seaweed to have some means of keeping itself up where there is sunlight to exploit.
yes they respond very well
Your retina has more than one type of cell that perceives and transmits light. Cones are cells that respond to color, but they respond best in bright light. In very dim light, the cells that respond to light are called rods, which are blind to color.
yes
Plants respond to light through a process called phototropism, where they grow towards light sources to maximize photosynthesis. Light is essential for plants to produce energy through photosynthesis, so they have evolved to detect and respond to light cues for optimal growth and development.
Seaweed has one adaption. It has airbags to help it float to the surface to get light. Seaweed has no more adaptations then that because it is never in the same place.If you want anymore answers come to:Beachway Academy
it grows towards the light.