Answer:
(d) chemosynthetic forms
Explanation:
Autotrophs are characterized by their ability to produce their own food; parasites, saprophytes, and pathogenic (disease-causing) organisms do not have this ability. Chemosynthetic ones, however, can through the conversion of one or more carbon-containing molecules into organic matter.
Answer:
ntn ablsolutly ntn
hope tha helps ya mate :)
good luck
(use goo gle)
It makes them float in water
