Question

Expand LUCA.

Answer 1

LUCA:

1. The LUCA is an abbreviation for Last Universal Common Ancestor.
2. It is now referred to as Last Universal Ancestor (LUA) too.
3. LUCA is not the first living form on earth or the first living ancestors.
4. The concept of LUCA is based on the phylogenetic relationship among all the organisms.
5. LUCA is considered to be a common ancestor to all the living forms on earth.
6. LUCA is considered the main trunk of the phylogenetic tree, which gives rise to all the categories of organisms.