Question

What kind of organism is a zooxanthellae

Answer 1

It is a photosynthetic algae contained in reef building corals underwater

Answer 2

 zooxanthellae is a kind of organisms categorized under phylum Dianoflagellata.they are microscopic flagellated protozoans.they do photosynthesis.they live in aquatic or terrestrial environments or on other organisms like other protozoans or on other sea creatures symbiotically.(they provide the host with organic food synthesised by photosynthesis and host provide them the attachment,protection etc)