Select the features which are suitable for the following group of organisms. a)The walls are embedded with silica, most of them are photosynthetic. b) the cell wall has stiff cellulose plate on the outer surface, flagellate, causes red tide. c)Unicellular, pellicle is present, in the. absence light behaves as heterotrophs. d)Saprophytic, the spores posses true wall.

Explanation

a. Chrysophytes
b. Dinoflagellates
c. Euglenoids
d. Slime moulds