Question

If a protozoan is heterotrophic this means they

Produce their own food
Require sunlight
Are harmful to bacteria
Obtain energy by consuming other organisms.

Answer 1

They obtain energy by consuming other organisms. 

Answer 2

The correct answer is option D

The word heterotropic means the the organisms that depends on the other organisms for their food.

These organisms depends on the other organisms for their survival.

They do not obtain their food by the process of the photosynthesis.

Protozoa depends on the other organism for their energy and consume energy from the autotrophs.