Which of the following ideas support our current scientific understanding of the development of life on Earth?

Development of Life on Earth - From the origin of life on the planet Earth, which also considered as the only habitable place in this universe. There was always a change in the entities which hold life inside it. Many simple organism went on to develop into more complex beings. As organism got into a different shapes, as there cell developed more, as time passed on. This change is refereed to as "Evolution".

Explanation:

Evolution:

"The development or growth of an entity from a less perfect form to a more complex form is called as evolution."

Evolution across time was always natural, the process happened either due to change in environment or due to change in the organism behavior etc. As there was a sort of development which occurred in the simple form of organism to develop themselves into a more complex shapes, having a more complex set of functions and processes inside there bodies.