Describe the mode of nutrition in Euglena.

(N/A) $\rightarrow$ Nutrition in $Euglena$ is holophytic (photosynthetic),saprobic,or holozoic. This diverse mode of nutrition is known as mixotrophic.
$\rightarrow$ Although they are photosynthetic in the presence of sunlight,they behave as heterotrophs by feeding on smaller organisms when sunlight is absent.
$\rightarrow$ The pigments of euglenoids are identical to those present in higher plants,including chlorophyll '$a$' and '$b$'.
$\rightarrow$ Prey,such as bacteria and small flagellates,are ingested through a cytostome (cell mouth),which is supported by microtubules.
$\rightarrow$ Reserve food is stored as carbohydrates in the form of paramylon or paramylum bodies.