Photoautotrophs obtain energy from
A) light and use carbon dioxide as a carbon source
B) organic molecules and use carbon dioxide as a carbon source
C) inorganic substances and use carbon dioxide as a carbon source
D) light and use inorganic substances as a carbon source

Question

Quizplus · Accepted Answer

Photoautotrophs, such as plants and algae, use energy from light to drive the process of photosynthesis, which allows them to make their food. They use carbon dioxide as a carbon source and convert it into organic molecules like glucose. Therefore, option A is the best choice.

Photoautotrophs Obtain Energy from