D. Horses and donkeys are different species [but are in the same family: Equidae]
Answer:
4
Explanation:
it changes the outcome and makes it different from the other plant
The story of spontaneous generation illustrates that science is capable of doing exactly what it is supposed to do: observe nature and eliminate theories that contradict observations. In this case, the theory that (for instance) flies form spontaneously out of decaying meat was successfully falsified.
This is supposed to be a personal opinion answer.