Answer:
Where are all the choices? lol
Explanation:
but
Primary production - an amount of photosynthate produced by photosynthesis
SOOO primary productivity needs what photosynthesis produces.
Thats the relationship.
A producer is a plant. So it has to be
A. algae
I’m pretty sure is the first one
Oxygen is what animals need in order for Carbon Dioxide to be exhaled while breathing. This is part of what the Respiratory System does. Carbon also enters animals that are in contaminated environments such as living next to a factory or a polluted area.
