Question

which statement about dinoflagellates is false? they can be responsible for a red tide. many species are photosynthetic. some can live as endosymbionts in animal cells. their presence in coral is of limited or minor significance to the coral. some red tide species make toxins.

Explanation:

Dinoflagellates are important endosymbionts in coral. They perform photosynthesis, providing energy - rich compounds to the coral. Their presence is crucial for coral health and survival, not of limited or minor significance. Red tides can be caused by dinoflagellates, many are photosynthetic, some can be endosymbionts in animal cells, and some red - tide species produce toxins.

Answer:

Their presence in coral is of limited or minor significance to the coral.