Question

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Answer 1

The deep ocean is the abyssal zone. The water in this region is very cold (around 3° C), highly pressured, high in oxygen content, but low in nutritional content. The abyssal zone supports many species of invertebrates and fishes. Mid-ocean ridges (spreading zones between tectonic plates), often with hydrothermal vents, are found in the abyssal zones along the ocean floors.

The profundal zone. his zone is much colder. Plankton have short life spans—when they die, they fall into the deep-water part of the lake/pond.

Answer 2

cool. thanks!