Question

What are the three domains of life and examples.

Answer 1

The domain of Life:

1. The set of all possible values which qualify as inputs to a function is known as the domain of the function.
2. The three-domain of life is a biological classification discovered in 1990 by Carl Woese.
3. This classification system is also known as the "Three Domains Classification" because it divides the life forms into three domains.
4. In this classification, organisms are classified into six kingdoms and three domains.
5. The three domains of life are Archaea, Bacteria and Eukarya.

Archaea:

1. The domain Archaea contains organisms that included early prokaryotes that live in extreme environments called archaebacteria.
2. It includes the kingdom Archaebacteria.
3. Examples: Sulfolobus tokodaii, Thermosphaera aggregans.

Bacteria:

1. The domain Bacteria contained typical prokaryotes that lack membrane-bound cell organelles.
2. It includes the kingdom Eubacteria.
3. Examples: Escherichia coli, Lactobacillus acidophilus

Eukarya:

• The domain Eukarya contains eukaryotic organisms. It includes the kingdoms Protista, Fungi, Plantae and Animalia.
• Examples are All eukaryotic organisms like chloroplast and mitochondria.