Protists have radiated into many different habitats and mays of life. They live wherever there is water, in the sea , infresh water, in moist soil, or in the badius of animals photosynthetic forms float or swim near the surface of a pond or ocean, amoebas crawl over the mud at the bottom, and various sessile froms grow attached to objects such as a rocks and pondweed. Most protists live as solitary cells, but many from colonies of similar, but largely independent, cell