Yes, fungi are heterotrophs which means they get their energy from consuming other organisms. A large group of fungi are saprotrophs, which specifically means they feed on dead organic matter.

Here's how it works:

* Fungi release enzymes: They produce enzymes that break down complex molecules in dead plants, animals, and other organic materials into simpler substances.

* Absorption: Fungi then absorb these simpler nutrients directly through their hyphae (thread-like structures that make up their bodies).

This process plays a crucial role in ecosystems:

* Decomposition: Fungi are essential decomposers, breaking down dead matter and recycling nutrients back into the environment.

* Nutrient cycling: They make these nutrients available for other organisms to use.

While many fungi are saprotrophs, some fungi are also parasites, feeding on living organisms, and others engage in mutualistic relationships with other organisms, where both parties benefit.