Veal had an orrery, an electrifying machine, a turning lathe, a theatre (in the wash-house), a chemical apparatus, and what he called a select library of all the works of the best authors of ancient and modern times and languages.
The main difference between autotrophic and heterotophic cells is  that autotroph cells produce their own food, while heterotrophic  cells do not. Another difference is that â¦ autotrophs obtain carbon  from inorganic sources like carbon dioxide, while heterotrophs get  their reduced carbon from other organisms.
Some organisms can carry out photosynthesis, whereas others cannot. An autotroph is an organism that can produce its own food. The Greek roots of the word autotroph mean âselfâ (auto) âfeederâ (troph). Plants are the best-known autotrophs, but others exist, including certain types of bacteria and algae (Figure 1).