Idk the options but it could be genetic variation
Explanation:
Observations allow us to collect data that we can connect back to the central problem. From this data we can start to form hypotheses (predictions on possible solutions or outcomes).
ITS FLAGELLA THEY ARE FOUND IN ALL 3 KINGDOMS OF CELLS
There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA.
