Algae depend on sunlight to carry out photosynthesis. There is not enough sunlight below 200 meters.
At depths of about 50 to 200 km below Earth's surface Rocks melt at depths at 50 and 200 km below the Earth's surface.
Yes. That is so because of the: color materials (minerals) and organisms.
well that answer will be 6000 km - depths below surface of earth (km)
The Lithosphere is not far down at all. Actually, the lithosphere is the solid rocky outer part of the earth. The lithosphere is about 100 km deep in most places.
eutrophicationeutrophicationFertilizer in a lake helps algae grow. Up to a certain point, that is good. The algae turns carbon dioxide into oxygen and adds oxygen to the water. However, after that point, the algae covers the lake. Oxygen from the air can not get to deeper water. Dead algae falls to the bottom of the lake and decomposes. The process of decomposing uses up oxygen. The amount of oxygen in the lake drops below the point where fish can survive. Thus, over fertilization leads to a fish kill.
because it is too cold
Because algae is so numerous in the ocean
Because algae is so numerous in the ocean
Marine algae are photosynthetic. At depths below 200m there is very little sunlight which would make photosynthesis extremely difficult.
Yes, actually. Algae at different depths below sea level have adapted over time to use the available light for cell respiration.
It can turn into a graveyard. The algae will grow and grow and suck up all the oxygen, thus, depriving the marine life below of sunlight and oxygen.
At depths of about 50 to 200 km below Earth's surface Rocks melt at depths at 50 and 200 km below the Earth's surface.
Because it is too dark for photosynthesis to occur at these depths
The dangers of eutrophication are that once the nutrient levels of the water go up the algae will grow and reproduce extremely fast, causing a bloom of algae so-to-say. When this happens the algae will sometimes use all the oxygen in the water therefore suffocating other marine organisms. Another danger is that the bloom of algae (depending how big it is) can sometimes block sunlight from marine plants below the surface that depend on it for photosynthesis. Yet another danger posed by eutrophication is that certain types of algae are toxic and will harm higher forms of life if ingested, and this would cause problems for any other animal that feed on an animal that had eaten the toxic algae. Hope this helps,
they are located just below the skin at two depths
The area with the most organisms is the ocean. The ocean covers 71% of the earth's surface and is home to millions of different species of organisms. Below is a list of the major types of organisms found in the ocean: Fish Crustaceans Mollusks Echinoderms Marine mammals Marine reptiles Marine birds Marine plantsThe ocean is a diverse and vibrant ecosystem, and it is estimated that there are still millions of undiscovered species living in the depths of the ocean.
they are located just below the skin at two depths