What is the animal kingdom classification?
The animal kingdom classification is a scientific system to understand the connection between different living organisms. Species are grouped based on shared characteristics through the Linnaeus method, developed in the 1700s by Carolus Linnaeus, a Swedish botanist. Living organisms are included in one of six separate animal kingdom classifications. These classifications are:

1. Animals: Animals are complex multi-celled organisms. This classification contains all extinct and extant animals. They do not produce their own food.
2. Plants: Plants are complex multi-celled autotrophic organisms. This means they produce their own food through a process called photosynthesis. 
3. Fungi: Fungi are multi-celled organisms. They do not produce their own food. 
4. Protista: Protista are single-celled organisms. They are more complex than both eubacteria and archaebacteria.
5. Eubacteria: Eubacteria are single-celled organisms found almost everywhere, from within living organisms to ecosystems such as the ocean, hot springs, dry deserts, and soil.
6. Archaebacteria: Archaebacteria are single-celled organisms found in intensely hot areas and are considered the oldest living organisms that we know of. 