Photoautotrophs are organisms that use light energy to produce organic molecules from inorganic molecules, such as carbon dioxide and water, through the process of photosynthesis. This process is carried out by a variety of organisms, including algae, cyanobacteria, and some bacteria. Green plants are the most well-known photoautotrophs, but they are not the only ones.

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Photoautotrophs

Question 55

Multiple Choice

Photoautotrophs

A) produce organic molecules from inorganic molecules.
B) include only the green plants.
C) eat other organisms that use light energy to make food molecules.
D) make sugar by using organic raw materials.

Correct Answer: