There will be a reduction in the population size of one or both species
The reason as to why fungi fossils seem so rare is that they are usually microscopic and often difficult or impossible to identify.
Not much information on fungi fossils has been documented. This could be because fungi fruiting bodies consist of soft, fleshy and easily degradable tissues which due to their poor integrity do not keep or preserve as well as animal tissue.
Even when available, it takes a trained eye to recognize fungal fossils. Not many people have the training and expertise to recognize the fossils.
The most likely answer here is 1 and 4.
Genetic Engineering. They are changing the genes of something (In this case, Cabbage) to help is survive its environment better.
Answer:
I'm more then sure it is A but let my know it im wrong if i am sorry :)
Explanation: