Which of the following characteristics differentiates an autotroph from a heterotroph?

Question options:

A heterotroph must obtain its energy from an autotroph or other heterotroph. Autotrophs only obtain their energy from the Sun.


An autotroph can only obtain its energy from a heterotroph.


An autotroph must obtain its energy from a heterotroph or other autotroph.. Heterotrophs only obtain their energy from the Sun.


A heterotroph can only obtain its energy from an autotroph.