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Which function does a phytoplankton have in ocean ecosystems?

A.
producer


B.
consumer


C.
scavenger


D.
decomposer

2 Answers

4 votes

Answer:

a

Step-by-step explanation:

User Zachary Vance
by
5.3k points
2 votes
I believe a producer. 
User Foreline
by
5.2k points