Which of the following explains why sunlight is important to aquatic ecosystems

A(Sunlight provides a source of heat energy to increase water temperatures.

B(Sunlight keeps harmful bacteria from taking over aquatic ecosystems.

C(Sunlight makes it possible for aquatic predators to see their prey underwater.

D(Sunlight provides light energy that allows photosynthesis to occur in plankton and aquatic plants

easily D
without sunlight you get no photosynthesis, so no plants
plankton is the bottom of the food chain in the ocean so without it the entire food chain collapses from the bottom up. so yeah its D by far

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david8644 david8644 · Answer 2 · 2019-10-05T22:41:42-04:00

Answer:

D)Sunlight provides light energy that allows photosynthesis to occur in plankton and aquatic plants

Explanation:

PLankton and aquatic plants are the base of the food pyramid in the ocean, most animals that then feed other animals eat acquatic plants, and other big animals like whales eat plankton, so the most important function that the sunlight carries out is the fact that sunlight provides light energy for acquatin plants to perform photosynthesis.