Intake and eject
I hope it is correct
Answer:
colder, rich in nutrients
Explanation:
fertilizes surface waters meaning they have high biological productivity
Autotrophs remove CARBON DIOXIDE from the air and fix this into tissues providing OXYGEN for secondary consumers.
Autotrophs are self-producing organisms that are found within the environment. These are plants that can sustain their lives through the process of synthesis. Without these producers, life on earth would cease to exist.