Key Takeaways

KEY TAKEAWAYS

• There are three main domains in living things, including Bacteria, Archaea, and

Eukarya.

• Among the kingdoms, there are six different kingdoms, most of them belonging to Eukarya, although there are many more bacteria and archaea species on earth when compared to eukaryotes.

• Archaea is one of the domains, with Archaebacteria being the kingdom. These are prokaryotes and have their own characteristics different from bacteria and eukaryotes.

• Protista is a kingdom among Eukarya that consists mainly of unicellular organisms.

• There are many major and minor animal phyla that include Arthropoda, which is the largest phylum among the Animalia kingdom.