Autotrophs are always in the first level, they're the producers.
If you mean Autotroph, it is an organism capable of making its own food from inorganic substances using light or chemical energy
If you mean Autotroph, it is an organism capable of making its own food from inorganic substances using light or chemical energy
No, a Vorticella is not an autotroph. It is a type of ciliate that is a heterotroph, meaning it obtains its nutrients by consuming other organisms or organic matter.