Which statement best compares coastal ecosystems to open ocean ecosystems?
coastal ecosystems include abyssopelagic depths, and open ocean ecosystems do not.
coastal ecosystems have less sunlight, fewer nutrients, and less diversity than open ocean ecosystems.
coastal ecosystems have a greater range of water pressures than open ocean ecosystems.
coastal ecosystems have more sunlight, more nutrients, and higher levels of productivity than open ocean ecosystems

The answer is: Coastal ecosystems have more sunlight, more nutrients, and higher levels of productivity than open ocean ecosystems.

Coastal ecosystems are areas where land and water join (bays, estuaries, salt marshes, mangroves, wetlands).

In coastal ecosystems live many different types of plants and animals.

The ocean is divided into four major zones: the intertidal, neritic, oceanic and abyssal, each zone includes several ecosystems, which have adapted to specific habitats.

b) mutualism

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