No, a land plant seed falling into the ocean would normally be killed by the salt in the sea. However certain land plants do use the Ocean to spread their seeds to other bits of land across the ocean. These seeds float and examples of this are the coconut palm, the mangrove and the coco de mer.
Seaweed is a plant that has evolved to live in salt water and they do not produce seeds, some can multiply by breaking bits of themselves off and these bits grow and some reproduce by producing haploid and diploid sporophytes.
Seaweed uses energy from the sun to make food; it is called photosynthesis.
It's more likely the other way around. Ocean currents affect ocean life. Perhaps in a subtle way, since all life on the planet affects the atmosphere, especially the algae in the oceans releasing oxygen, that ocean life affects the weather, which in turn affects the ocean currents. It's also possible that some "seaweed forests" slow the movement of currents.
The best way to convert seaweed into organic fertilizer is to compost it. You can add other organic materials to it or just use seaweed; turn the compost pile frequently to aid in the breakdown of the seaweed. Don't use it on the garden until it has completely broken down.
It will only turn green if the seaweed it is sitting on is green. It turns colour to blend into the background so that it can not be seen by it predators or its prey.
no
Integuments, after fertilization turn to the seed coat, which protects the seed
during germination
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Many growers that have crops that require a slightly acidic soil will turn to seaweed as a fertilizer option. Seaweed is and contains many mineral one of which is zinc. This is very important to pecan growers that have groves on slightly alkaline soil. The Seaweed helps acidify the soil and elevate the zinc contest.
Ocean water may interact with a chemical in your hair to turn it green. However, ocean water alone will not turn your hair green.
coral, plankton, seaweed
up to 1 week or 10 days it may take for a mango seed to turn in to sapling