Answer: Can not get carbohydrates and will die from the lack of energy!
Explanation: The plant will be unable to produce carbohydrates and will die quickly from the lack of energy and because green light is not absorbed by the photosynthetic pigments.
A because if you are going down deeper into the ocean, you are going farther away from the sun so it will become colder.
I believe the answer is fish vertebrates. i hope this helped