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Abyssal hills are small hills that rise from the abyssal plain, which is the floor of the ocean.
Benthos can be anywhere as long as they are on the ocean floor, from the continenal shelf to the abyssal plain.
in the ocean
Fish would die. There are species of fish that live off the algae.
Mosses and algae
Seaweed, seagrass, kelp, green algae, red algae and brown algae are six commonly-known ocean plants. Plants, or producers, are vital to the health of ocean ecosystems and serve as a food source to higher organisms.
By entering an open watershed
mosses and algae
they would be in a hypertonic solution, so they would shrivel and die
In an energy pyramid, algae would be the substance found at the bottom trophic level. Algae are eukaryotic organisms, and can be unicellular or multicellular.
Either the Arctic Ocean or the Antarctic Ocean, since neither has a tropical component.
The primary producer is a marine algae called phytoplankton. This algae floats around in the sunlit areas of the Ocean giving it its name: phyto=plant, plankton=floating. It is the source of food for many fishes and is responsible for most of the world's oxygen.