Question

Which process is used by heterotrophs to obtain preformed organic molecules from the environment?

Answer 1

Answer:

The correct answer is A) ingestion

Explanation:

Heterotrophs are organisms that depend on other organisms to get nutrition because they can not make their food. The process by which they take nutrition is called injection.

During ingestion, they consume the performed organic molecule. Mouth is the organ that helps in ingestion of the food. Then the food is digested in the body of the heterotrophs by the action of different enzymes.  

For example, humans are heterotrophs that do ingestion of food from its mouth and then the food is digested by different hydrolytic enzymes. So the correct answer is A.