Because all animals must take in nutrients from their environment and digest their food internally, the nutritional mode of animals is called

Question

Quizplus · Accepted Answer

The term heterotrophic refers to organisms that require organic compounds as a source of carbon and energy. Animals cannot produce their own food and must consume other organisms to obtain the nutrients they need, making them heterotrophic. The other answer choices are not applicable to animals as they are specific to other nutritional modes found in certain types of organisms, such as bacteria and plants.

Because All Animals Must Take in Nutrients from Their Environment