They have about the same concentration of salts as the water solution around them
Yes they are.
no they do not they are not a living organism so No!
An organism that feeds on plants. such as a dugong
To control the ocean
Certain fish and squid
Bentic
Phytoplankton, which is a microscopic and autotrophic organism. There are trillions of phytoplankton in the ocean.
Phytoplankton is an example of an ocean organism that is a producer because it can photosynthesize and convert sunlight into energy to produce its own food. This microscopic organism forms the base of the marine food chain, providing energy for other organisms.
Yes, they can. Tsunamis recollect their energy when they are traveling across the ocean.
The ocean floor sediment contains unfathomable numbers of marine organism skeletons.
Trilobites
ocean organisms.