Bacteria that eat dead organisms are called decomposers. There are many different types of bacteria that act as decomposers, and they play a vital role in the ecosystem by breaking down dead plants and animals, recycling nutrients back into the environment.

Some common examples of decomposer bacteria include:

* Aerobic bacteria: These bacteria require oxygen to survive and break down organic matter through aerobic respiration. They are often found in soil and water.

* Anaerobic bacteria: These bacteria can survive without oxygen and break down organic matter through anaerobic respiration. They are often found in environments with low oxygen levels, such as swamps, landfills, and the digestive tracts of animals.

Examples of specific decomposer bacteria include:

* Pseudomonas: These bacteria are found in soil, water, and plants. They play a role in breaking down various organic materials, including cellulose, lignin, and proteins.

* Bacillus: These bacteria are commonly found in soil and are known for their ability to decompose organic matter, including dead plant material and animal waste.

* Clostridium: These bacteria are anaerobic and are often found in the soil and gut of animals. They can decompose various organic materials, including cellulose, proteins, and fats.

It's important to note that there are many other types of decomposer bacteria, and their specific roles in the ecosystem can vary depending on the type of organic matter they break down.