How can you know if the information is based on scientifically collected data and if it's corroborated by other sources? look more closely around the web page. click the "serious risks" link in the fourth paragraph; then click the "scientific review" link in the sixth paragraph. what do you find when you click these two links?

because the light is a great source of energy for the plants to survive. (i hope this )

the food storage products of chrysophytes are oils or the polysaccharide laminarin.   formerly classified as plants, the chrysophytes contain the photosynthetic pigments chlorophyll a and c all but the yellow-green algae also contain the carotenoid pigment fucoxanthin.