* Heterotrophs are organisms that cannot produce their own food and must obtain it by consuming other organisms. This includes:

* Consumers: Animals that eat other organisms.

* Herbivores: Animals that eat plants.

* Decomposers: Organisms like bacteria and fungi that break down dead organic matter.

* Producers are organisms like plants and algae that create their own food through photosynthesis.

While there are a lot of consumers and herbivores in ecosystems, most organisms are heterotrophs because even decomposers fall into this category.