The correct answer is option C- they absorb sunlight and convert into chemical energy
- Algae, cyanobacteria and plants have one common characteristic that they prepare their own food. All of them contain a pigment called “chlorophyll”.
- Chlorophyll is a green color pigment which is required for the preparation of food during photosynthesis. It absorbs sunlight and converts into to chemical energy which is utilized by these organisms to perform.