Are the terms "autotrophic" and "photoautotrophic" the same?
Autotrophs are the organisms that can prepare there own food. the mode of nutrition of an autotroph is known as autotrophic nutrition. Autotrophic nutrition can be of two types – photoautotrophic and chemoautotrophic.
Photoautotrophic – they use light energy to prepare food
Chemoautotrophic – they need chemicals to prepare their food