Question

which are called oxygen producers​

Answer 1

Answer:

Plankton that are plants, known as phytoplankton, grow and get their own energy through photosynthesis and are responsible for producing an estimated 80% of the world's oxygen.

Scientists estimate that 50-80% of the oxygen production on Earth comes from the ocean. The majority of this production is from oceanic plankton — drifting plants, algae, and some bacteria that can photosynthesize.

Answer 2

Answer:

plants are called as oxygen producer.

I hope it will help you.