Question

organisms that can manufacture their own chemical energy are called __________ multiple choice autotrophs oligotrophs chemotrophs heterotrophs

Explanation:

Autotrophs are organisms that can produce their own chemical - energy through processes like photosynthesis or chemosynthesis. Oligotrophs are organisms adapted to live in low - nutrient environments. Chemotrophs use chemical compounds as an energy source but not all can manufacture their own energy from scratch. Heterotrophs rely on consuming other organisms for energy.

Answer:

A. autotrophs