Answer
(c) Photoautotrophs (a) Chemoautotrophs (b) Photoheterotrophs (d) Chemoheterotrophs
Work Step by Step
The following are some of the organisms and their description:
Photoautotrophs- Use sunlight and carbon dioxide;
Chemoautotrophs- Use inorganic chemical reactions for energy production;
Photoheterotrophs- Use sunlight as a source of energy and organic compounds as a carbon source;
Chemoheterotrophs- Use organic compounds for energy production.
