* Fungi: Fungi are a kingdom of organisms that includes yeasts, molds, and mushrooms. They are also decomposers and play a major role in the breakdown of organic matter.
* Protists: Protists are a diverse group of eukaryotic organisms that are not plants, animals, or fungi. Some protists are decomposers, and they help to break down organic matter in the beach environment.
* Invertebrates: Invertebrates are animals that lack a backbone. Some invertebrates, such as earthworms and crabs, are decomposers and help to break down organic matter in the beach environment.
* Scavengers: Scavengers are animals that feed on dead or decaying animals. Some scavengers, such as gulls and vultures, are found at the beach and help to remove dead animals from the environment.
