2. What best describes the meiofauna? (A) Meiofauna are photosynthetic dinoflagellates living in symbiosis with corals (B)Meiofauna are sediment-associated organisms intermediate in size between the microbes and macrofauna (C) Meiofauna are planktonic organisms living in the water column (D) Meiofauna are microscopic organisms living in the gut of marine vertebrates