The work sheet is for you to answer so you get smarter
To facilitate that exchange of oxygen and CO2 molecules.
Living diatoms contain brownish plastids. If global warming causes blooms of diatoms in the surface waters of Earth's oceans, how might this be harmful to the animals that build coral reefs?
Answer:
B) The coral animals' endosymbiotic dinoflagellates may get "shaded out" by the diatoms.
Hope this helps
--Jay