In contrast to a disease, a disorder is generally defined as 1.any genetic mutation. 2.an untreatable condition. 3.an illness with specific symptoms. 4.any abnormality of body function.

1. efficient use of space

2. elimination of groundwater contamination

3. energy generation

4. lower carbon footprint

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.