Answer:
The correct answer is Euglena.
Step-by-step explanation:
A Euglena is a unicellular protist cell, that can make their own food by the process of photosynthesis, absorbing sunlight energy to make food through organelles called chloroplasts.
Euglena can also gain nutrients by absorbing them across the cell membrane.
Using the photosynthesis process, they can make food easiest.
I hope it helps!