Answer:
Mixotrophs are organisms that show both autotrophic and heterotrophic nutrition. For example, Euglena.
Though Euglena is photosynthetic in the presence of sunlight, when deprived of sunlight they behave like heterotrophs by predating on other smaller organisms.
Hence, Euglena contains chlorophyll, yet, it resembles animals because it lacks a cell wall, and is motile and feeds like animals in the absence of sunlight.
So, the correct answer is 'Feeds like animals in the absence of sunlight.'.