What elements does ice cream, lettuce, baby oil, perfume, pencil, wood, diamonds, and plastic all have in common

Microorganisms aren’t all decomposers; in fact, many act as producers or primary consumers in an ecosystem. how do microorganisms that act as producers benefit the rest of an ecosystem in terms of energy transfer? what about microorganisms that act as primary consumers?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Cedric has a low fever and minor aches. yesterday, he went to the doctor for his booster shot and receive the flu shot. which best explains why he has this reaction?