< Cell Biologyâ | Cell types. The structures of two prokaryotic cells. The bacterium (shown at the top) is a heterotroph, an organism that eats other organisms. Cyanophytes are autotrophs, organisms that make their food without eating other organisms.
White stag. A white stag (or white hind for the female) is a white-colored red deer, explained by a condition known as leucism that causes its hair and skin to lose its natural colour. The white deer has played a prominent role in many cultures' mythology.
1. Harry's patronus is a stag. It pretty obviously is a direct reference to his father's animal form (His father's patronus was also a stag). Hermione's patronus is an otter, and Harry's mother's (and Snape's) is a doe.