Organisms in the same scientific order would have the most similar traits.
The energy conversion system of most components evolved at a very early stage. This is why the fundamental aspects of energy metabolism is said to be similar to other organisms.
humans
Organisms in the same family
Organisms show the most growth during the first stage of their life. During this time the cells are changing and coming together.
Human and jell fish are the most similar because scientists claimed that human came from fish
Anything that is a large cat such as a lion.
bacteria is still around and it was one of the first living organisms
The category that most similiar organisms belong to is genus.
cell membrane
Fish and a frog. -Study Island.
The life cycle of a housefly is similar to that of a dragonfly as they both spend most of their lifecycle time in their pupal stage.